915085039 has 4 divisors (see below), whose sum is σ = 998274600. Its totient is φ = 831895480.

The previous prime is 915085033. The next prime is 915085051. The reversal of 915085039 is 930580519.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 915085039 - 2²³ = 906696431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 915084992 and 915085010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (915085033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41594764 + ... + 41594785.

It is an arithmetic number, because the mean of its divisors is an integer number (249568650).

Almost surely, 2^915085039 is an apocalyptic number.

915085039 is a deficient number, since it is larger than the sum of its proper divisors (83189561).

915085039 is a wasteful number, since it uses less digits than its factorization.

915085039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83189560.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 915085039 is about 30250.3725431605. The cubic root of 915085039 is about 970.8537631506.

The spelling of 915085039 in words is "nine hundred fifteen million, eighty-five thousand, thirty-nine".