117992646 has 32 divisors (see below), whose sum is σ = 262908000. Its totient is φ = 39225600.

The previous prime is 117992621. The next prime is 117992659. The reversal of 117992646 is 646299711.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18930 + ... + 24378.

It is an arithmetic number, because the mean of its divisors is an integer number (8215875).

Almost surely, 2^117992646 is an apocalyptic number.

117992646 is an abundant number, since it is smaller than the sum of its proper divisors (144915354).

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

117992646 is a wasteful number, since it uses less digits than its factorization.

117992646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861 (or 5855 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 117992646 is about 10862.4419906391. The cubic root of 117992646 is about 490.4766235621.

The spelling of 117992646 in words is "one hundred seventeen million, nine hundred ninety-two thousand, six hundred forty-six".