39764790 has 64 divisors (see below), whose sum is σ = 114206400. Its totient is φ = 9787392.

The previous prime is 39764737. The next prime is 39764807. The reversal of 39764790 is 9746793.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2155 + ... + 9174.

It is an arithmetic number, because the mean of its divisors is an integer number (1784475).

Almost surely, 2^39764790 is an apocalyptic number.

39764790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39764790 is an abundant number, since it is smaller than the sum of its proper divisors (74441610).

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

39764790 is a wasteful number, since it uses less digits than its factorization.

39764790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11358 (or 11352 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 39764790 is about 6305.9329206708. The cubic root of 39764790 is about 341.3235320350.

The spelling of 39764790 in words is "thirty-nine million, seven hundred sixty-four thousand, seven hundred ninety".