913115994 has 32 divisors (see below), whose sum is σ = 2088078720. Its totient is φ = 260770752.

The previous prime is 913115989. The next prime is 913116023. The reversal of 913115994 is 499511319.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132252 + ... + 138984.

It is an arithmetic number, because the mean of its divisors is an integer number (65252460).

Almost surely, 2^913115994 is an apocalyptic number.

913115994 is an abundant number, since it is smaller than the sum of its proper divisors (1174962726).

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

913115994 is a wasteful number, since it uses less digits than its factorization.

913115994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9974.

The product of its digits is 43740, while the sum is 42.

The square root of 913115994 is about 30217.8092190681. The cubic root of 913115994 is about 970.1569144244.

The spelling of 913115994 in words is "nine hundred thirteen million, one hundred fifteen thousand, nine hundred ninety-four".