117390984 has 64 divisors (see below), whose sum is σ = 313761600. Its totient is φ = 36470784.

The previous prime is 117390983. The next prime is 117390997. The reversal of 117390984 is 489093711.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (117390983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42312 + ... + 45000.

It is an arithmetic number, because the mean of its divisors is an integer number (4902525).

Almost surely, 2^117390984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117390984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156880800).

117390984 is an abundant number, since it is smaller than the sum of its proper divisors (196370616).

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

117390984 is a wasteful number, since it uses less digits than its factorization.

117390984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822 (or 2818 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 117390984 is about 10834.7119943264. The cubic root of 117390984 is about 489.6415315168.

The spelling of 117390984 in words is "one hundred seventeen million, three hundred ninety thousand, nine hundred eighty-four".