2170956 has 24 divisors (see below), whose sum is σ = 5113584. Its totient is φ = 716800.

The previous prime is 2170943. The next prime is 2171003. The reversal of 2170956 is 6590712.

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556 + ... + 2156.

It is an arithmetic number, because the mean of its divisors is an integer number (213066).

2^2170956 is an apocalyptic number.

It is an amenable number.

2170956 is an abundant number, since it is smaller than the sum of its proper divisors (2942628).

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

2170956 is a wasteful number, since it uses less digits than its factorization.

2170956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721 (or 1719 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 2170956 is about 1473.4164380785. The cubic root of 2170956 is about 129.4842683493.

The spelling of 2170956 in words is "two million, one hundred seventy thousand, nine hundred fifty-six".