2319664 has 20 divisors (see below), whose sum is σ = 4537656. Its totient is φ = 1148672.

The previous prime is 2319659. The next prime is 2319679. The reversal of 2319664 is 4669132.

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, 1167 + ... + 2449.

2^2319664 is an apocalyptic number.

It is an amenable number.

2319664 is a deficient number, since it is larger than the sum of its proper divisors (2217992).

2319664 is a wasteful number, since it uses less digits than its factorization.

2319664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404 (or 1398 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 2319664 is about 1523.0443197754. The cubic root of 2319664 is about 132.3757277911.

The spelling of 2319664 in words is "two million, three hundred nineteen thousand, six hundred sixty-four".