64385612 has 6 divisors (see below), whose sum is σ = 112674828. Its totient is φ = 32192804.

The previous prime is 64385567. The next prime is 64385617. The reversal of 64385612 is 21658346.

It is a super-2 number, since 2×64385612² = 8291014065229088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64385617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8048198 + ... + 8048205.

It is an arithmetic number, because the mean of its divisors is an integer number (18779138).

Almost surely, 2^64385612 is an apocalyptic number.

It is an amenable number.

64385612 is a deficient number, since it is larger than the sum of its proper divisors (48289216).

64385612 is a wasteful number, since it uses less digits than its factorization.

64385612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16096407 (or 16096405 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 64385612 is about 8024.0645560713. The cubic root of 64385612 is about 400.8017502510.

The spelling of 64385612 in words is "sixty-four million, three hundred eighty-five thousand, six hundred twelve".