117838394 has 8 divisors (see below), whose sum is σ = 179395968. Its totient is φ = 58039740.

The previous prime is 117838381. The next prime is 117838423. The reversal of 117838394 is 493838711.

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

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 439562 + ... + 439829.

It is an arithmetic number, because the mean of its divisors is an integer number (22424496).

Almost surely, 2^117838394 is an apocalyptic number.

117838394 is a deficient number, since it is larger than the sum of its proper divisors (61557574).

117838394 is an equidigital number, since it uses as much as digits as its factorization.

117838394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879460.

The product of its digits is 145152, while the sum is 44.

The square root of 117838394 is about 10855.3394235279. The cubic root of 117838394 is about 490.2627966966.

The spelling of 117838394 in words is "one hundred seventeen million, eight hundred thirty-eight thousand, three hundred ninety-four".