2116956 has 12 divisors (see below), whose sum is σ = 4939592. Its totient is φ = 705648.

The previous prime is 2116951. The next prime is 2116957. The reversal of 2116956 is 6596112.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88195 + ... + 88218.

2^2116956 is an apocalyptic number.

It is an amenable number.

2116956 is an abundant number, since it is smaller than the sum of its proper divisors (2822636).

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

2116956 is a wasteful number, since it uses less digits than its factorization.

2116956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176420 (or 176418 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 2116956 is about 1454.9762884666. The cubic root of 2116956 is about 128.4016517484.

The spelling of 2116956 in words is "two million, one hundred sixteen thousand, nine hundred fifty-six".