432221604 has 12 divisors (see below), whose sum is σ = 1008517104. Its totient is φ = 144073864.

The previous prime is 432221599. The next prime is 432221611. The reversal of 432221604 is 406122234.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18009222 + ... + 18009245.

It is an arithmetic number, because the mean of its divisors is an integer number (84043092).

Almost surely, 2^432221604 is an apocalyptic number.

It is an amenable number.

432221604 is an abundant number, since it is smaller than the sum of its proper divisors (576295500).

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

432221604 is a wasteful number, since it uses less digits than its factorization.

432221604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36018474 (or 36018472 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 432221604 is about 20789.9399710533. The cubic root of 432221604 is about 756.0818687410.

Adding to 432221604 its reverse (406122234), we get a palindrome (838343838).

The spelling of 432221604 in words is "four hundred thirty-two million, two hundred twenty-one thousand, six hundred four".