117398842 has 16 divisors (see below), whose sum is σ = 192277152. Its totient is φ = 53315920.

The previous prime is 117398837. The next prime is 117398843. The reversal of 117398842 is 248893711.

It is not an unprimeable number, because it can be changed into a prime (117398843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39873 + ... + 42715.

It is an arithmetic number, because the mean of its divisors is an integer number (12017322).

Almost surely, 2^117398842 is an apocalyptic number.

117398842 is a deficient number, since it is larger than the sum of its proper divisors (74878310).

117398842 is a wasteful number, since it uses less digits than its factorization.

117398842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733.

The product of its digits is 96768, while the sum is 43.

The square root of 117398842 is about 10835.0746190324. The cubic root of 117398842 is about 489.6524565958.

The spelling of 117398842 in words is "one hundred seventeen million, three hundred ninety-eight thousand, eight hundred forty-two".