913497918 has 8 divisors (see below), whose sum is σ = 1826995848. Its totient is φ = 304499304.

The previous prime is 913497881. The next prime is 913497929. The reversal of 913497918 is 819794319.

It is a happy number.

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

913497918 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76124821 + ... + 76124832.

It is an arithmetic number, because the mean of its divisors is an integer number (228374481).

Almost surely, 2^913497918 is an apocalyptic number.

913497918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

913497918 is a wasteful number, since it uses less digits than its factorization.

913497918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152249658.

The product of its digits is 489888, while the sum is 51.

The square root of 913497918 is about 30224.1280767535. The cubic root of 913497918 is about 970.2921563011.

The spelling of 913497918 in words is "nine hundred thirteen million, four hundred ninety-seven thousand, nine hundred eighteen".