2136804 has 12 divisors (see below), whose sum is σ = 4985904. Its totient is φ = 712264.

The previous prime is 2136793. The next prime is 2136811. The reversal of 2136804 is 4086312.

It is a happy number.

2136804 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁹ + 1 + 3¹³ + 6⁴ + 8³ + 0 + 4⁷ .

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, 89022 + ... + 89045.

It is an arithmetic number, because the mean of its divisors is an integer number (415492).

2^2136804 is an apocalyptic number.

It is an amenable number.

2136804 is an abundant number, since it is smaller than the sum of its proper divisors (2849100).

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

2136804 is a wasteful number, since it uses less digits than its factorization.

2136804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178074 (or 178072 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2136804 is about 1461.7811053643. The cubic root of 2136804 is about 128.8016903704.

The spelling of 2136804 in words is "two million, one hundred thirty-six thousand, eight hundred four".