115984965 has 16 divisors (see below), whose sum is σ = 196492608. Its totient is φ = 58219776.

The previous prime is 115984963. The next prime is 115984997. The reversal of 115984965 is 569489511.

It is not a de Polignac number, because 115984965 - 2¹ = 115984963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115984963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227167 + ... + 227676.

It is an arithmetic number, because the mean of its divisors is an integer number (12280788).

Almost surely, 2^115984965 is an apocalyptic number.

115984965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115984965 is a deficient number, since it is larger than the sum of its proper divisors (80507643).

115984965 is a wasteful number, since it uses less digits than its factorization.

115984965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454868.

The product of its digits is 388800, while the sum is 48.

The square root of 115984965 is about 10769.6316092984. The cubic root of 115984965 is about 487.6788245994.

The spelling of 115984965 in words is "one hundred fifteen million, nine hundred eighty-four thousand, nine hundred sixty-five".