115959649 has 8 divisors (see below), whose sum is σ = 125009192. Its totient is φ = 106928640.

The previous prime is 115959643. The next prime is 115959659. The reversal of 115959649 is 946959511.

It can be written as a sum of positive squares in 4 ways, for example, as 23184225 + 92775424 = 4815^2 + 9632^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-115959649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115959643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10129 + ... + 18289.

It is an arithmetic number, because the mean of its divisors is an integer number (15626149).

Almost surely, 2^115959649 is an apocalyptic number.

It is an amenable number.

115959649 is a deficient number, since it is larger than the sum of its proper divisors (9049543).

115959649 is a wasteful number, since it uses less digits than its factorization.

115959649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9267.

The product of its digits is 437400, while the sum is 49.

The square root of 115959649 is about 10768.4562031890. The cubic root of 115959649 is about 487.6433401856.

The spelling of 115959649 in words is "one hundred fifteen million, nine hundred fifty-nine thousand, six hundred forty-nine".