118798 has 4 divisors (see below), whose sum is σ = 178200. Its totient is φ = 59398.

The previous prime is 118787. The next prime is 118799. The reversal of 118798 is 897811.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×118798² = 28225929608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118799) by changing a digit.

118798 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29698 + ... + 29701.

It is an arithmetic number, because the mean of its divisors is an integer number (44550).

2¹¹⁸⁷⁹⁸ is an apocalyptic number.

118798 is a deficient number, since it is larger than the sum of its proper divisors (59402).

118798 is an equidigital number, since it uses as much as digits as its factorization.

118798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59401.

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

The square root of 118798 is about 344.6708574858. The cubic root of 118798 is about 49.1590003687.

The spelling of 118798 in words is "one hundred eighteen thousand, seven hundred ninety-eight".