117898 has 16 divisors (see below), whose sum is σ = 202176. Its totient is φ = 51040.

The previous prime is 117889. The next prime is 117899. The reversal of 117898 is 898711.

It is not an unprimeable number, because it can be changed into a prime (117899) by changing a digit.

117898 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390 + ... + 622.

It is an arithmetic number, because the mean of its divisors is an integer number (12636).

2¹¹⁷⁸⁹⁸ is an apocalyptic number.

117898 is a deficient number, since it is larger than the sum of its proper divisors (84278).

117898 is a wasteful number, since it uses less digits than its factorization.

117898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269.

The product of its digits is 4032, while the sum is 34.

The square root of 117898 is about 343.3627819086. The cubic root of 117898 is about 49.0345445703.

The spelling of 117898 in words is "one hundred seventeen thousand, eight hundred ninety-eight".