115957646 has 32 divisors (see below), whose sum is σ = 221564160. Its totient is φ = 44309376.

The previous prime is 115957643. The next prime is 115957661. The reversal of 115957646 is 646759511.

It is a super-2 number, since 2×115957646² = 26892351331722632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115957597 and 115957606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115957643) 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 15 ways as a sum of consecutive naturals, for example, 8300 + ... + 17343.

It is an arithmetic number, because the mean of its divisors is an integer number (6923880).

Almost surely, 2^115957646 is an apocalyptic number.

115957646 is a deficient number, since it is larger than the sum of its proper divisors (105606514).

115957646 is a wasteful number, since it uses less digits than its factorization.

115957646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25688.

The product of its digits is 226800, while the sum is 44.

The square root of 115957646 is about 10768.3631996697. The cubic root of 115957646 is about 487.6405324410.

The spelling of 115957646 in words is "one hundred fifteen million, nine hundred fifty-seven thousand, six hundred forty-six".