118397956 has 12 divisors (see below), whose sum is σ = 207325468. Its totient is φ = 59162112.

The previous prime is 118397941. The next prime is 118397969. The reversal of 118397956 is 659793811.

It can be written as a sum of positive squares in 2 ways, for example, as 98684356 + 19713600 = 9934^2 + 4440^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221 + ... + 15436.

Almost surely, 2^118397956 is an apocalyptic number.

It is an amenable number.

118397956 is a deficient number, since it is larger than the sum of its proper divisors (88927512).

118397956 is a wasteful number, since it uses less digits than its factorization.

118397956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18438 (or 18436 counting only the distinct ones).

The product of its digits is 408240, while the sum is 49.

The square root of 118397956 is about 10881.0824829150. The cubic root of 118397956 is about 491.0375847663.

The spelling of 118397956 in words is "one hundred eighteen million, three hundred ninety-seven thousand, nine hundred fifty-six".