117738236 has 24 divisors (see below), whose sum is σ = 256884096. Its totient is φ = 45871920.

The previous prime is 117738223. The next prime is 117738251. The reversal of 117738236 is 632837711.

It is a self number, because there is not a number n which added to its sum of digits gives 117738236.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190826 + ... + 191441.

It is an arithmetic number, because the mean of its divisors is an integer number (10703504).

Almost surely, 2^117738236 is an apocalyptic number.

It is an amenable number.

117738236 is an abundant number, since it is smaller than the sum of its proper divisors (139145860).

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

117738236 is a wasteful number, since it uses less digits than its factorization.

117738236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382289 (or 382287 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 117738236 is about 10850.7251370588. The cubic root of 117738236 is about 490.1238559598.

The spelling of 117738236 in words is "one hundred seventeen million, seven hundred thirty-eight thousand, two hundred thirty-six".