304312032 has 96 divisors (see below), whose sum is σ = 908328960. Its totient is φ = 99066240.

The previous prime is 304312009. The next prime is 304312033. The reversal of 304312032 is 230213403.

304312032 is a `hidden beast` number, since 30 + 431 + 203 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 304311996 and 304312014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304312033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33057 + ... + 41247.

It is an arithmetic number, because the mean of its divisors is an integer number (9461760).

Almost surely, 2^304312032 is an apocalyptic number.

304312032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304312032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454164480).

304312032 is an abundant number, since it is smaller than the sum of its proper divisors (604016928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304312032 is a wasteful number, since it uses less digits than its factorization.

304312032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8253 (or 8239 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 304312032 is about 17444.5416104866. The cubic root of 304312032 is about 672.6250561831.

Adding to 304312032 its reverse (230213403), we get a palindrome (534525435).

The spelling of 304312032 in words is "three hundred four million, three hundred twelve thousand, thirty-two".