2115804 has 12 divisors (see below), whose sum is σ = 4936904. Its totient is φ = 705264.

The previous prime is 2115791. The next prime is 2115823. The reversal of 2115804 is 4085112.

It is a tau number, because it is divible by the number of its divisors (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, 88147 + ... + 88170.

2^2115804 is an apocalyptic number.

It is an amenable number.

2115804 is an abundant number, since it is smaller than the sum of its proper divisors (2821100).

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

2115804 is a wasteful number, since it uses less digits than its factorization.

2115804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176324 (or 176322 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2115804 is about 1454.5803518541. The cubic root of 2115804 is about 128.3783564221.

The spelling of 2115804 in words is "two million, one hundred fifteen thousand, eight hundred four".