609964 has 12 divisors (see below), whose sum is σ = 1078000. Its totient is φ = 301968.

The previous prime is 609929. The next prime is 609979. The reversal of 609964 is 469906.

609964 is nontrivially palindromic in base 7.

609964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

609964 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264 + ... + 1135.

2⁶⁰⁹⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

609964 is a deficient number, since it is larger than the sum of its proper divisors (468036).

609964 is a wasteful number, since it uses less digits than its factorization.

609964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 609964 is about 781.0019206122. The cubic root of 609964 is about 84.8075924732.

The spelling of 609964 in words is "six hundred nine thousand, nine hundred sixty-four".