304028532 has 96 divisors (see below), whose sum is σ = 825753600. Its totient is φ = 96616800.

The previous prime is 304028521. The next prime is 304028567. The reversal of 304028532 is 235820403.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 304028496 and 304028505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237069 + ... + 238347.

It is an arithmetic number, because the mean of its divisors is an integer number (8601600).

Almost surely, 2^304028532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304028532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412876800).

304028532 is an abundant number, since it is smaller than the sum of its proper divisors (521725068).

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

304028532 is a wasteful number, since it uses less digits than its factorization.

304028532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 304028532 is about 17436.4139661801. The cubic root of 304028532 is about 672.4161166408.

Adding to 304028532 its reverse (235820403), we get a palindrome (539848935).

The spelling of 304028532 in words is "three hundred four million, twenty-eight thousand, five hundred thirty-two".