117993930 has 16 divisors (see below), whose sum is σ = 283185504. Its totient is φ = 31465040.

The previous prime is 117993893. The next prime is 117993937. The reversal of 117993930 is 39399711.

It is not an unprimeable number, because it can be changed into a prime (117993937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966536 + ... + 1966595.

It is an arithmetic number, because the mean of its divisors is an integer number (17699094).

Almost surely, 2^117993930 is an apocalyptic number.

117993930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117993930 is an abundant number, since it is smaller than the sum of its proper divisors (165191574).

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

117993930 is a wasteful number, since it uses less digits than its factorization.

117993930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933141.

The product of its (nonzero) digits is 45927, while the sum is 42.

The square root of 117993930 is about 10862.5010932105. The cubic root of 117993930 is about 490.4784026835.

The spelling of 117993930 in words is "one hundred seventeen million, nine hundred ninety-three thousand, nine hundred thirty".