115860639 has 8 divisors (see below), whose sum is σ = 155504512. Its totient is φ = 76728600.

The previous prime is 115860631. The next prime is 115860643. The reversal of 115860639 is 936068511.

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

It is not a de Polignac number, because 115860639 - 2³ = 115860631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115860597 and 115860606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115860631) 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, 127429 + ... + 128334.

It is an arithmetic number, because the mean of its divisors is an integer number (19438064).

Almost surely, 2^115860639 is an apocalyptic number.

115860639 is a deficient number, since it is larger than the sum of its proper divisors (39643873).

115860639 is a wasteful number, since it uses less digits than its factorization.

115860639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255917.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 115860639 is about 10763.8579979485. The cubic root of 115860639 is about 487.5045122528.

The spelling of 115860639 in words is "one hundred fifteen million, eight hundred sixty thousand, six hundred thirty-nine".