117999394 has 8 divisors (see below), whose sum is σ = 181316268. Its totient is φ = 57560640.

The previous prime is 117999391. The next prime is 117999419. The reversal of 117999394 is 493999711.

It can be written as a sum of positive squares in 2 ways, for example, as 84879369 + 33120025 = 9213^2 + 5755^2 .

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

It is not an unprimeable number, because it can be changed into a prime (117999391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719427 + ... + 719590.

Almost surely, 2^117999394 is an apocalyptic number.

117999394 is a deficient number, since it is larger than the sum of its proper divisors (63316874).

117999394 is a wasteful number, since it uses less digits than its factorization.

117999394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439060.

The product of its digits is 551124, while the sum is 52.

The square root of 117999394 is about 10862.7525977535. The cubic root of 117999394 is about 490.4859735040.

The spelling of 117999394 in words is "one hundred seventeen million, nine hundred ninety-nine thousand, three hundred ninety-four".