118321898 has 8 divisors (see below), whose sum is σ = 179111460. Its totient is φ = 58618080.

The previous prime is 118321891. The next prime is 118321909. The reversal of 118321898 is 898123811.

It can be written as a sum of positive squares in 2 ways, for example, as 118309129 + 12769 = 10877^2 + 113^2 .

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

It is not an unprimeable number, because it can be changed into a prime (118321891) 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, 271163 + ... + 271598.

Almost surely, 2^118321898 is an apocalyptic number.

118321898 is a deficient number, since it is larger than the sum of its proper divisors (60789562).

118321898 is a wasteful number, since it uses less digits than its factorization.

118321898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542872.

The product of its digits is 27648, while the sum is 41.

The square root of 118321898 is about 10877.5869566738. The cubic root of 118321898 is about 490.9324158992.

The spelling of 118321898 in words is "one hundred eighteen million, three hundred twenty-one thousand, eight hundred ninety-eight".