117308394 has 72 divisors (see below), whose sum is σ = 306689760. Its totient is φ = 31740336.

The previous prime is 117308383. The next prime is 117308407. The reversal of 117308394 is 493803711.

It is a happy number.

It is a super-2 number, since 2×117308394² = 27522518605718472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 44197 + ... + 46775.

It is an arithmetic number, because the mean of its divisors is an integer number (4259580).

Almost surely, 2^117308394 is an apocalyptic number.

117308394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117308394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153344880).

117308394 is an abundant number, since it is smaller than the sum of its proper divisors (189381366).

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

117308394 is a wasteful number, since it uses less digits than its factorization.

117308394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632 (or 2610 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 117308394 is about 10830.8999626070. The cubic root of 117308394 is about 489.5266760708.

The spelling of 117308394 in words is "one hundred seventeen million, three hundred eight thousand, three hundred ninety-four".