64385368 has 16 divisors (see below), whose sum is σ = 121007880. Its totient is φ = 32116608.

The previous prime is 64385329. The next prime is 64385369. The reversal of 64385368 is 86358346.

It is a super-2 number, since 2×64385368² = 8290951224990848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64385369) 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, 5830 + ... + 12757.

Almost surely, 2^64385368 is an apocalyptic number.

It is an amenable number.

64385368 is a deficient number, since it is larger than the sum of its proper divisors (56622512).

64385368 is a wasteful number, since it uses less digits than its factorization.

64385368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19026 (or 19022 counting only the distinct ones).

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

The square root of 64385368 is about 8024.0493517924. The cubic root of 64385368 is about 400.8012439487.

The spelling of 64385368 in words is "sixty-four million, three hundred eighty-five thousand, three hundred sixty-eight".