431939016 has 48 divisors (see below), whose sum is σ = 1171123200. Its totient is φ = 143821152.

The previous prime is 431939003. The next prime is 431939033. The reversal of 431939016 is 610939134.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75505 + ... + 81023.

It is an arithmetic number, because the mean of its divisors is an integer number (24398400).

Almost surely, 2^431939016 is an apocalyptic number.

It is an amenable number.

431939016 is an abundant number, since it is smaller than the sum of its proper divisors (739184184).

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

431939016 is a wasteful number, since it uses less digits than its factorization.

431939016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6618 (or 6611 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 431939016 is about 20783.1425920143. The cubic root of 431939016 is about 755.9170564920.

The spelling of 431939016 in words is "four hundred thirty-one million, nine hundred thirty-nine thousand, sixteen".