115309946 has 16 divisors (see below), whose sum is σ = 184766184. Its totient is φ = 53781504.

The previous prime is 115309939. The next prime is 115309951. The reversal of 115309946 is 649903511.

It can be written as a sum of positive squares in 4 ways, for example, as 37957921 + 77352025 = 6161^2 + 8795^2 .

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, 11165 + ... + 18848.

Almost surely, 2^115309946 is an apocalyptic number.

115309946 is a deficient number, since it is larger than the sum of its proper divisors (69456238).

115309946 is a wasteful number, since it uses less digits than its factorization.

115309946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30145.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 115309946 is about 10738.2468774004. The cubic root of 115309946 is about 486.7309052836.

The spelling of 115309946 in words is "one hundred fifteen million, three hundred nine thousand, nine hundred forty-six".