118309798 has 4 divisors (see below), whose sum is σ = 177464700. Its totient is φ = 59154898.

The previous prime is 118309787. The next prime is 118309843. The reversal of 118309798 is 897903811.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29577448 + ... + 29577451.

It is an arithmetic number, because the mean of its divisors is an integer number (44366175).

Almost surely, 2^118309798 is an apocalyptic number.

118309798 is a deficient number, since it is larger than the sum of its proper divisors (59154902).

118309798 is an equidigital number, since it uses as much as digits as its factorization.

118309798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59154901.

The product of its (nonzero) digits is 108864, while the sum is 46.

The square root of 118309798 is about 10877.0307529215. The cubic root of 118309798 is about 490.9156805222.

The spelling of 118309798 in words is "one hundred eighteen million, three hundred nine thousand, seven hundred ninety-eight".