432643506 has 16 divisors (see below), whose sum is σ = 916186464. Its totient is φ = 135731264.

The previous prime is 432643469. The next prime is 432643513. The reversal of 432643506 is 605346234.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 2120700 + ... + 2120903.

It is an arithmetic number, because the mean of its divisors is an integer number (57261654).

Almost surely, 2^432643506 is an apocalyptic number.

432643506 is an abundant number, since it is smaller than the sum of its proper divisors (483542958).

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

432643506 is a wasteful number, since it uses less digits than its factorization.

432643506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241625.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 432643506 is about 20800.0842786754. The cubic root of 432643506 is about 756.3277986943.

The spelling of 432643506 in words is "four hundred thirty-two million, six hundred forty-three thousand, five hundred six".