432321504 has 48 divisors (see below), whose sum is σ = 1139225472. Its totient is φ = 143550848.

The previous prime is 432321499. The next prime is 432321517. The reversal of 432321504 is 405123234.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16687 + ... + 33809.

It is an arithmetic number, because the mean of its divisors is an integer number (23733864).

Almost surely, 2^432321504 is an apocalyptic number.

It is an amenable number.

432321504 is an abundant number, since it is smaller than the sum of its proper divisors (706903968).

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

432321504 is a wasteful number, since it uses less digits than its factorization.

432321504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17399 (or 17391 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 432321504 is about 20792.3424365799. The cubic root of 432321504 is about 756.1401156830.

Adding to 432321504 its reverse (405123234), we get a palindrome (837444738).

The spelling of 432321504 in words is "four hundred thirty-two million, three hundred twenty-one thousand, five hundred four".