64338856 has 16 divisors (see below), whose sum is σ = 123896340. Its totient is φ = 31299840.

The previous prime is 64338823. The next prime is 64338877. The reversal of 64338856 is 65883346.

It can be written as a sum of positive squares in 2 ways, for example, as 63202500 + 1136356 = 7950^2 + 1066^2 .

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, 108385 + ... + 108976.

Almost surely, 2^64338856 is an apocalyptic number.

It is an amenable number.

64338856 is a deficient number, since it is larger than the sum of its proper divisors (59557484).

64338856 is a wasteful number, since it uses less digits than its factorization.

64338856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217404 (or 217400 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 64338856 is about 8021.1505409137. The cubic root of 64338856 is about 400.7047077384.

The spelling of 64338856 in words is "sixty-four million, three hundred thirty-eight thousand, eight hundred fifty-six".