117293238 has 32 divisors (see below), whose sum is σ = 271987200. Its totient is φ = 37397448.

The previous prime is 117293233. The next prime is 117293257. The reversal of 117293238 is 832392711.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117293233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45978 + ... + 48461.

It is an arithmetic number, because the mean of its divisors is an integer number (8499600).

Almost surely, 2^117293238 is an apocalyptic number.

117293238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

117293238 is an abundant number, since it is smaller than the sum of its proper divisors (154693962).

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

117293238 is a wasteful number, since it uses less digits than its factorization.

117293238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94473 (or 94467 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 117293238 is about 10830.2002751565. The cubic root of 117293238 is about 489.5055932207.

The spelling of 117293238 in words is "one hundred seventeen million, two hundred ninety-three thousand, two hundred thirty-eight".