117397394 has 8 divisors (see below), whose sum is σ = 182168460. Its totient is φ = 56674576.

The previous prime is 117397381. The next prime is 117397417. The reversal of 117397394 is 493793711.

It can be written as a sum of positive squares in 2 ways, for example, as 117397225 + 169 = 10835^2 + 13^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011989 + ... + 1012104.

Almost surely, 2^117397394 is an apocalyptic number.

117397394 is a deficient number, since it is larger than the sum of its proper divisors (64771066).

117397394 is a wasteful number, since it uses less digits than its factorization.

117397394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024124.

The product of its digits is 142884, while the sum is 44.

The square root of 117397394 is about 10835.0077987974. The cubic root of 117397394 is about 489.6504434593.

The spelling of 117397394 in words is "one hundred seventeen million, three hundred ninety-seven thousand, three hundred ninety-four".