118398028 has 12 divisors (see below), whose sum is σ = 236796112. Its totient is φ = 50742000.

The previous prime is 118398017. The next prime is 118398031. The reversal of 118398028 is 820893811.

118398028 is an admirable 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 in 3 ways as a sum of consecutive naturals, for example, 2114223 + ... + 2114278.

Almost surely, 2^118398028 is an apocalyptic number.

It is an amenable number.

118398028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118398028 is a wasteful number, since it uses less digits than its factorization.

118398028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228512 (or 4228510 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 118398028 is about 10881.0857914089. The cubic root of 118398028 is about 491.0376843027.

The spelling of 118398028 in words is "one hundred eighteen million, three hundred ninety-eight thousand, twenty-eight".