2137604 has 12 divisors (see below), whose sum is σ = 4275264. Its totient is φ = 916104.

The previous prime is 2137571. The next prime is 2137613. The reversal of 2137604 is 4067312.

2137604 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2137604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38144 + ... + 38199.

It is an arithmetic number, because the mean of its divisors is an integer number (356272).

2^2137604 is an apocalyptic number.

It is an amenable number.

2137604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2137604 is a wasteful number, since it uses less digits than its factorization.

2137604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76354 (or 76352 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2137604 is about 1462.0547185383. The cubic root of 2137604 is about 128.8177624257.

The spelling of 2137604 in words is "two million, one hundred thirty-seven thousand, six hundred four".