2156708 has 12 divisors (see below), whose sum is σ = 3862320. Its totient is φ = 1053192.

The previous prime is 2156699. The next prime is 2156711. The reversal of 2156708 is 8076512.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6098 + ... + 6441.

It is an arithmetic number, because the mean of its divisors is an integer number (321860).

2^2156708 is an apocalyptic number.

It is an amenable number.

2156708 is a deficient number, since it is larger than the sum of its proper divisors (1705612).

2156708 is a wasteful number, since it uses less digits than its factorization.

2156708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12586 (or 12584 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 2156708 is about 1468.5734574750. The cubic root of 2156708 is about 129.2003776504.

The spelling of 2156708 in words is "two million, one hundred fifty-six thousand, seven hundred eight".