2136904 has 32 divisors (see below), whose sum is σ = 4996800. Its totient is φ = 832320.

The previous prime is 2136889. The next prime is 2136913. The reversal of 2136904 is 4096312.

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, 1119 + ... + 2350.

It is an arithmetic number, because the mean of its divisors is an integer number (156150).

2^2136904 is an apocalyptic number.

It is an amenable number.

2136904 is an abundant number, since it is smaller than the sum of its proper divisors (2859896).

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

2136904 is a wasteful number, since it uses less digits than its factorization.

2136904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3493 (or 3489 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2136904 is about 1461.8153098117. The cubic root of 2136904 is about 128.8036995967.

It can be divided in two parts, 213 and 6904, that added together give a palindrome (7117).

The spelling of 2136904 in words is "two million, one hundred thirty-six thousand, nine hundred four".