2156796 has 36 divisors (see below), whose sum is σ = 5498584. Its totient is φ = 712800.

The previous prime is 2156789. The next prime is 2156801. The reversal of 2156796 is 6976512.

2156796 is a `hidden beast` number, since 2 + 1 + 567 + 96 = 666.

2156796 is digitally balanced in base 2, 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 (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 5⁹ + 6² + 7⁶ + 9⁴ + 6⁶ .

It is a self number, because there is not a number n which added to its sum of digits gives 2156796.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6351 + ... + 6681.

2^2156796 is an apocalyptic number.

It is an amenable number.

2156796 is an abundant number, since it is smaller than the sum of its proper divisors (3341788).

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

2156796 is a wasteful number, since it uses less digits than its factorization.

2156796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 517 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 2156796 is about 1468.6034182175. The cubic root of 2156796 is about 129.2021348777.

The spelling of 2156796 in words is "two million, one hundred fifty-six thousand, seven hundred ninety-six".