118397958 has 16 divisors (see below), whose sum is σ = 270624000. Its totient is φ = 33827976.

The previous prime is 118397941. The next prime is 118397969. The reversal of 118397958 is 859793811.

It is a self number, because there is not a number n which added to its sum of digits gives 118397958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1409458 + ... + 1409541.

It is an arithmetic number, because the mean of its divisors is an integer number (16914000).

Almost surely, 2^118397958 is an apocalyptic number.

118397958 is an abundant number, since it is smaller than the sum of its proper divisors (152226042).

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

118397958 is a wasteful number, since it uses less digits than its factorization.

118397958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819011.

The product of its digits is 544320, while the sum is 51.

The square root of 118397958 is about 10881.0825748176. The cubic root of 118397958 is about 491.0375875312.

The spelling of 118397958 in words is "one hundred eighteen million, three hundred ninety-seven thousand, nine hundred fifty-eight".