304312432 has 20 divisors (see below), whose sum is σ = 600731640. Its totient is φ = 149284928.

The previous prime is 304312403. The next prime is 304312433. The reversal of 304312432 is 234213403.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304312433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178582 + ... + 180277.

It is an arithmetic number, because the mean of its divisors is an integer number (30036582).

Almost surely, 2^304312432 is an apocalyptic number.

It is an amenable number.

304312432 is a deficient number, since it is larger than the sum of its proper divisors (296419208).

304312432 is a wasteful number, since it uses less digits than its factorization.

304312432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358920 (or 358914 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 304312432 is about 17444.5530753872. The cubic root of 304312432 is about 672.6253508915.

Adding to 304312432 its reverse (234213403), we get a palindrome (538525835).

The spelling of 304312432 in words is "three hundred four million, three hundred twelve thousand, four hundred thirty-two".