2053806 has 16 divisors (see below), whose sum is σ = 4195584. Its totient is φ = 669944.

The previous prime is 2053789. The next prime is 2053811. The reversal of 2053806 is 6083502.

It is a Curzon number.

It is a congruent number.

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, 3360 + ... + 3923.

It is an arithmetic number, because the mean of its divisors is an integer number (262224).

2^2053806 is an apocalyptic number.

2053806 is an abundant number, since it is smaller than the sum of its proper divisors (2141778).

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

2053806 is a wasteful number, since it uses less digits than its factorization.

2053806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2053806 is about 1433.1106028496. The cubic root of 2053806 is about 127.1119767977. Note that the first 3 decimals are identical.

The spelling of 2053806 in words is "two million, fifty-three thousand, eight hundred six".