117649936 has 20 divisors (see below), whose sum is σ = 234108652. Its totient is φ = 57234816.

The previous prime is 117649891. The next prime is 117649937. The reversal of 117649936 is 639946711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 103632400 + 14017536 = 10180^2 + 3744^2 .

It is not an unprimeable number, because it can be changed into a prime (117649937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98775 + ... + 99958.

Almost surely, 2^117649936 is an apocalyptic number.

117649936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

117649936 is a deficient number, since it is larger than the sum of its proper divisors (116458716).

117649936 is a wasteful number, since it uses less digits than its factorization.

117649936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198778 (or 198772 counting only the distinct ones).

The product of its digits is 244944, while the sum is 46.

The square root of 117649936 is about 10846.6555214038. The cubic root of 117649936 is about 490.0012994551.

The spelling of 117649936 in words is "one hundred seventeen million, six hundred forty-nine thousand, nine hundred thirty-six".