2156076 has 72 divisors (see below), whose sum is σ = 6237504. Its totient is φ = 622080.

The previous prime is 2156071. The next prime is 2156083. The reversal of 2156076 is 6706512.

2156076 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2156071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7821 + ... + 8091.

It is an arithmetic number, because the mean of its divisors is an integer number (86632).

2^2156076 is an apocalyptic number.

2156076 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2156076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3118752).

2156076 is an abundant number, since it is smaller than the sum of its proper divisors (4081428).

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

2156076 is a wasteful number, since it uses less digits than its factorization.

2156076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2156076 is about 1468.3582669090. The cubic root of 2156076 is about 129.1877561587.

The spelling of 2156076 in words is "two million, one hundred fifty-six thousand, seventy-six".