117918304 has 72 divisors (see below), whose sum is σ = 272341440. Its totient is φ = 50109696.

The previous prime is 117918301. The next prime is 117918329. The reversal of 117918304 is 403819711.

It is a self number, because there is not a number n which added to its sum of digits gives 117918304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117918301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245937 + ... + 246415.

It is an arithmetic number, because the mean of its divisors is an integer number (3782520).

Almost surely, 2^117918304 is an apocalyptic number.

117918304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117918304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136170720).

117918304 is an abundant number, since it is smaller than the sum of its proper divisors (154423136).

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

117918304 is a wasteful number, since it uses less digits than its factorization.

117918304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 117918304 is about 10859.0194769141. The cubic root of 117918304 is about 490.3735926389.

The spelling of 117918304 in words is "one hundred seventeen million, nine hundred eighteen thousand, three hundred four".