117906398 has 8 divisors (see below), whose sum is σ = 176906592. Its totient is φ = 58937536.

The previous prime is 117906391. The next prime is 117906413. The reversal of 117906398 is 893609711.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117906391) 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, 7886 + ... + 17262.

It is an arithmetic number, because the mean of its divisors is an integer number (22113324).

Almost surely, 2^117906398 is an apocalyptic number.

117906398 is a deficient number, since it is larger than the sum of its proper divisors (59000194).

117906398 is an equidigital number, since it uses as much as digits as its factorization.

117906398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15666.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 117906398 is about 10858.4712551998. The cubic root of 117906398 is about 490.3570880356.

The spelling of 117906398 in words is "one hundred seventeen million, nine hundred six thousand, three hundred ninety-eight".