2117968 has 20 divisors (see below), whose sum is σ = 4320160. Its totient is φ = 1003104.

The previous prime is 2117953. The next prime is 2117971. The reversal of 2117968 is 8697112.

It is a happy number.

It is an Ulam number.

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, 3180 + ... + 3787.

It is an arithmetic number, because the mean of its divisors is an integer number (216008).

2^2117968 is an apocalyptic number.

It is an amenable number.

2117968 is an abundant number, since it is smaller than the sum of its proper divisors (2202192).

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

2117968 is a wasteful number, since it uses less digits than its factorization.

2117968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6994 (or 6988 counting only the distinct ones).

The product of its digits is 6048, while the sum is 34.

The square root of 2117968 is about 1455.3240189044. The cubic root of 2117968 is about 128.4221090735.

The spelling of 2117968 in words is "two million, one hundred seventeen thousand, nine hundred sixty-eight".