64610394 has 16 divisors (see below), whose sum is σ = 129496320. Its totient is φ = 21490880.

The previous prime is 64610327. The next prime is 64610401. The reversal of 64610394 is 49301646.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8367 + ... + 14114.

It is an arithmetic number, because the mean of its divisors is an integer number (8093520).

Almost surely, 2^64610394 is an apocalyptic number.

64610394 is an abundant number, since it is smaller than the sum of its proper divisors (64885926).

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

64610394 is a wasteful number, since it uses less digits than its factorization.

64610394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22965.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 64610394 is about 8038.0590940848. The cubic root of 64610394 is about 401.2676326914.

The spelling of 64610394 in words is "sixty-four million, six hundred ten thousand, three hundred ninety-four".