432639616 has 16 divisors (see below), whose sum is σ = 861899490. Its totient is φ = 216319744.

The previous prime is 432639593. The next prime is 432639619. The reversal of 432639616 is 616936234.

It can be written as a sum of positive squares in only one way, i.e., 285745216 + 146894400 = 16904^2 + 12120^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (432639619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1689871 + ... + 1690126.

Almost surely, 2^432639616 is an apocalyptic number.

It is an amenable number.

432639616 is a deficient number, since it is larger than the sum of its proper divisors (429259874).

432639616 is an equidigital number, since it uses as much as digits as its factorization.

432639616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380011 (or 3379999 counting only the distinct ones).

The product of its digits is 139968, while the sum is 40.

The square root of 432639616 is about 20799.9907692287. The cubic root of 432639616 is about 756.3255319135.

The spelling of 432639616 in words is "four hundred thirty-two million, six hundred thirty-nine thousand, six hundred sixteen".