2156950 has 24 divisors (see below), whose sum is σ = 4051080. Its totient is φ = 854400.

The previous prime is 2156939. The next prime is 2156993. The reversal of 2156950 is 596512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8830 + ... + 9070.

It is an arithmetic number, because the mean of its divisors is an integer number (168795).

2^2156950 is an apocalyptic number.

2156950 is a deficient number, since it is larger than the sum of its proper divisors (1894130).

2156950 is a wasteful number, since it uses less digits than its factorization.

2156950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 2156950 is about 1468.6558480461. The cubic root of 2156950 is about 129.2052099105.

The spelling of 2156950 in words is "two million, one hundred fifty-six thousand, nine hundred fifty".