2156702 has 8 divisors (see below), whose sum is σ = 3241296. Its totient is φ = 1076272.

The previous prime is 2156699. The next prime is 2156711. The reversal of 2156702 is 2076512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 1418 + ... + 2514.

It is an arithmetic number, because the mean of its divisors is an integer number (405162).

2^2156702 is an apocalyptic number.

2156702 is a deficient number, since it is larger than the sum of its proper divisors (1084594).

2156702 is a wasteful number, since it uses less digits than its factorization.

2156702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2156702 is about 1468.5714146748. The cubic root of 2156702 is about 129.2002578377.

The spelling of 2156702 in words is "two million, one hundred fifty-six thousand, seven hundred two".