2397664 has 24 divisors (see below), whose sum is σ = 4874688. Its totient is φ = 1159680.

The previous prime is 2397649. The next prime is 2397677. The reversal of 2397664 is 4667932.

2397664 = T₅₂ + T₅₃ + ... + T₂₄₃.

It is a nialpdrome in base 12.

It is a congruent number.

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, 217 + ... + 2200.

It is an arithmetic number, because the mean of its divisors is an integer number (203112).

2^2397664 is an apocalyptic number.

It is an amenable number.

2397664 is an abundant number, since it is smaller than the sum of its proper divisors (2477024).

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

2397664 is a wasteful number, since it uses less digits than its factorization.

2397664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458 (or 2450 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

The square root of 2397664 is about 1548.4392141766. The cubic root of 2397664 is about 133.8431371550.

The spelling of 2397664 in words is "two million, three hundred ninety-seven thousand, six hundred sixty-four".