304432 has 20 divisors (see below), whose sum is σ = 602640. Its totient is φ = 148928.

The previous prime is 304429. The next prime is 304433. The reversal of 304432 is 234403.

It is a Harshad number since it is a multiple of its sum of digits (16).

304432 is a modest number, since divided by 432 gives 304 as remainder.

It is not an unprimeable number, because it can be changed into a prime (304433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669 + ... + 1027.

It is an arithmetic number, because the mean of its divisors is an integer number (30132).

2³⁰⁴⁴³² is an apocalyptic number.

It is an amenable number.

304432 is a deficient number, since it is larger than the sum of its proper divisors (298208).

304432 is a wasteful number, since it uses less digits than its factorization.

304432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 304432 is about 551.7535681806. The cubic root of 304432 is about 67.2713433542.

Adding to 304432 its reverse (234403), we get a palindrome (538835).

It can be divided in two parts, 304 and 432, that multiplied together give a triangular number (131328 = T₅₁₂).

The spelling of 304432 in words is "three hundred four thousand, four hundred thirty-two".