64038892 has 12 divisors (see below), whose sum is σ = 117966520. Its totient is φ = 30334176.

The previous prime is 64038857. The next prime is 64038907. The reversal of 64038892 is 29883046.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421233 + ... + 421384.

Almost surely, 2^64038892 is an apocalyptic number.

It is an amenable number.

64038892 is a deficient number, since it is larger than the sum of its proper divisors (53927628).

64038892 is a wasteful number, since it uses less digits than its factorization.

64038892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842640 (or 842638 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 64038892 is about 8002.4303808281. The cubic root of 64038892 is about 400.0810085929.

The spelling of 64038892 in words is "sixty-four million, thirty-eight thousand, eight hundred ninety-two".