64293896 has 16 divisors (see below), whose sum is σ = 120690240. Its totient is φ = 32109840.

The previous prime is 64293851. The next prime is 64293917. The reversal of 64293896 is 69839246.

It is a self number, because there is not a number n which added to its sum of digits gives 64293896.

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, 3581 + ... + 11891.

It is an arithmetic number, because the mean of its divisors is an integer number (7543140).

Almost surely, 2^64293896 is an apocalyptic number.

It is an amenable number.

64293896 is a deficient number, since it is larger than the sum of its proper divisors (56396344).

64293896 is a wasteful number, since it uses less digits than its factorization.

64293896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9284 (or 9280 counting only the distinct ones).

The product of its digits is 559872, while the sum is 47.

The square root of 64293896 is about 8018.3474606679. The cubic root of 64293896 is about 400.6113484899.

The spelling of 64293896 in words is "sixty-four million, two hundred ninety-three thousand, eight hundred ninety-six".