39872764 has 12 divisors (see below), whose sum is σ = 69890688. Its totient is φ = 19904000.

The previous prime is 39872761. The next prime is 39872771. The reversal of 39872764 is 46727893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39872761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5212 + ... + 10339.

It is an arithmetic number, because the mean of its divisors is an integer number (5824224).

Almost surely, 2^39872764 is an apocalyptic number.

It is an amenable number.

39872764 is a deficient number, since it is larger than the sum of its proper divisors (30017924).

39872764 is a wasteful number, since it uses less digits than its factorization.

39872764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16196 (or 16194 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 39872764 is about 6314.4884195000. The cubic root of 39872764 is about 341.6321866719.

The spelling of 39872764 in words is "thirty-nine million, eight hundred seventy-two thousand, seven hundred sixty-four".