115289646 has 16 divisors (see below), whose sum is σ = 231085008. Its totient is φ = 38345600.

The previous prime is 115289591. The next prime is 115289683. The reversal of 115289646 is 646982511.

It is a junction number, because it is equal to n+sod(n) for n = 115289598 and 115289607.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18075 + ... + 23606.

It is an arithmetic number, because the mean of its divisors is an integer number (14442813).

Almost surely, 2^115289646 is an apocalyptic number.

115289646 is an abundant number, since it is smaller than the sum of its proper divisors (115795362).

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

115289646 is a wasteful number, since it uses less digits than its factorization.

115289646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42147.

The product of its digits is 103680, while the sum is 42.

The square root of 115289646 is about 10737.3016163280. The cubic root of 115289646 is about 486.7023410599.

The spelling of 115289646 in words is "one hundred fifteen million, two hundred eighty-nine thousand, six hundred forty-six".