117197938 has 24 divisors (see below), whose sum is σ = 208100844. Its totient is φ = 49172640.

The previous prime is 117197933. The next prime is 117197957. The reversal of 117197938 is 839791711.

It can be written as a sum of positive squares in 2 ways, for example, as 113145769 + 4052169 = 10637^2 + 2013^2 .

It is not an unprimeable number, because it can be changed into a prime (117197933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15481 + ... + 21772.

Almost surely, 2^117197938 is an apocalyptic number.

117197938 is a deficient number, since it is larger than the sum of its proper divisors (90902906).

117197938 is a wasteful number, since it uses less digits than its factorization.

117197938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37290 (or 37279 counting only the distinct ones).

The product of its digits is 95256, while the sum is 46.

The square root of 117197938 is about 10825.7996471392. The cubic root of 117197938 is about 489.3729839195.

The spelling of 117197938 in words is "one hundred seventeen million, one hundred ninety-seven thousand, nine hundred thirty-eight".