2156276 has 12 divisors (see below), whose sum is σ = 3783780. Its totient is φ = 1075200.

The previous prime is 2156269. The next prime is 2156279. The reversal of 2156276 is 6726512.

2156276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1392400 + 763876 = 1180^2 + 874^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156279) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2420 + ... + 3188.

It is an arithmetic number, because the mean of its divisors is an integer number (315315).

2^2156276 is an apocalyptic number.

It is an amenable number.

2156276 is a deficient number, since it is larger than the sum of its proper divisors (1627504).

2156276 is a wasteful number, since it uses less digits than its factorization.

2156276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474 (or 1472 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 2156276 is about 1468.4263686001. The cubic root of 2156276 is about 129.1917505684.

The spelling of 2156276 in words is "two million, one hundred fifty-six thousand, two hundred seventy-six".