64985392 has 20 divisors (see below), whose sum is σ = 126904576. Its totient is φ = 32235840.

The previous prime is 64985387. The next prime is 64985399. The reversal of 64985392 is 29358946.

It is not an unprimeable number, because it can be changed into a prime (64985399) 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, 13959 + ... + 18022.

Almost surely, 2^64985392 is an apocalyptic number.

It is an amenable number.

64985392 is a deficient number, since it is larger than the sum of its proper divisors (61919184).

64985392 is a wasteful number, since it uses less digits than its factorization.

64985392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32116 (or 32110 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 64985392 is about 8061.3517476910. The cubic root of 64985392 is about 402.0424532115.

The spelling of 64985392 in words is "sixty-four million, nine hundred eighty-five thousand, three hundred ninety-two".