2156037 has 16 divisors (see below), whose sum is σ = 3151680. Its totient is φ = 1302912.

The previous prime is 2156023. The next prime is 2156039. The reversal of 2156037 is 7306512.

It is not a de Polignac number, because 2156037 - 2⁸ = 2155781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2155998 and 2156016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1833 + ... + 2769.

It is an arithmetic number, because the mean of its divisors is an integer number (196980).

2^2156037 is an apocalyptic number.

It is an amenable number.

2156037 is a deficient number, since it is larger than the sum of its proper divisors (995643).

2156037 is a wasteful number, since it uses less digits than its factorization.

2156037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 2156037 is about 1468.3449867112. The cubic root of 2156037 is about 129.1869772201.

The spelling of 2156037 in words is "two million, one hundred fifty-six thousand, thirty-seven".