115979238 has 24 divisors (see below), whose sum is σ = 258081408. Its totient is φ = 37614672.

The previous prime is 115979231. The next prime is 115979243. The reversal of 115979238 is 832979511.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 115979193 and 115979202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115979231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86406 + ... + 87737.

It is an arithmetic number, because the mean of its divisors is an integer number (10753392).

Almost surely, 2^115979238 is an apocalyptic number.

115979238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

115979238 is an abundant number, since it is smaller than the sum of its proper divisors (142102170).

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

115979238 is a wasteful number, since it uses less digits than its factorization.

115979238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174188 (or 174185 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 115979238 is about 10769.3657194841. The cubic root of 115979238 is about 487.6707977470.

The spelling of 115979238 in words is "one hundred fifteen million, nine hundred seventy-nine thousand, two hundred thirty-eight".