64339464 has 64 divisors (see below), whose sum is σ = 191831040. Its totient is φ = 17582400.

The previous prime is 64339399. The next prime is 64339469. The reversal of 64339464 is 46493346.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (64339469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4462 + ... + 12189.

It is an arithmetic number, because the mean of its divisors is an integer number (2997360).

Almost surely, 2^64339464 is an apocalyptic number.

It is an amenable number.

64339464 is an abundant number, since it is smaller than the sum of its proper divisors (127491576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64339464 is a wasteful number, since it uses less digits than its factorization.

64339464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16690 (or 16686 counting only the distinct ones).

The product of its digits is 186624, while the sum is 39.

The square root of 64339464 is about 8021.1884406240. The cubic root of 64339464 is about 400.7059699497.

The spelling of 64339464 in words is "sixty-four million, three hundred thirty-nine thousand, four hundred sixty-four".