117985926 has 16 divisors (see below), whose sum is σ = 236174400. Its totient is φ = 39294888.

The previous prime is 117985919. The next prime is 117985939. The reversal of 117985926 is 629589711.

It is a congruent number.

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, 256 + ... + 15363.

It is an arithmetic number, because the mean of its divisors is an integer number (14760900).

Almost surely, 2^117985926 is an apocalyptic number.

117985926 is an abundant number, since it is smaller than the sum of its proper divisors (118188474).

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

117985926 is a wasteful number, since it uses less digits than its factorization.

117985926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16883.

The product of its digits is 272160, while the sum is 48.

The square root of 117985926 is about 10862.1326635242. The cubic root of 117985926 is about 490.4673120624.

The spelling of 117985926 in words is "one hundred seventeen million, nine hundred eighty-five thousand, nine hundred twenty-six".