610857964 has 24 divisors (see below), whose sum is σ = 1076755680. Its totient is φ = 303222144.

The previous prime is 610857937. The next prime is 610857977. The reversal of 610857964 is 469758016.

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, 408402 + ... + 409894.

It is an arithmetic number, because the mean of its divisors is an integer number (44864820).

Almost surely, 2^610857964 is an apocalyptic number.

It is an amenable number.

610857964 is a deficient number, since it is larger than the sum of its proper divisors (465897716).

610857964 is a wasteful number, since it uses less digits than its factorization.

610857964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169 (or 2167 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 610857964 is about 24715.5409408736. The cubic root of 610857964 is about 848.4900362014.

The spelling of 610857964 in words is "six hundred ten million, eight hundred fifty-seven thousand, nine hundred sixty-four".