2188968 has 32 divisors (see below), whose sum is σ = 5510400. Its totient is φ = 724608.

The previous prime is 2188919. The next prime is 2188981. The reversal of 2188968 is 8698812.

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, 5148 + ... + 5556.

It is an arithmetic number, because the mean of its divisors is an integer number (172200).

2^2188968 is an apocalyptic number.

It is an amenable number.

2188968 is an abundant number, since it is smaller than the sum of its proper divisors (3321432).

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

2188968 is a wasteful number, since it uses less digits than its factorization.

2188968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 637 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 2188968 is about 1479.5161371205. The cubic root of 2188968 is about 129.8413844581.

The spelling of 2188968 in words is "two million, one hundred eighty-eight thousand, nine hundred sixty-eight".