913946840 has 32 divisors (see below), whose sum is σ = 2095184880. Its totient is φ = 358680192.

The previous prime is 913946827. The next prime is 913946851. The reversal of 913946840 is 48649319.

It is a junction number, because it is equal to n+sod(n) for n = 913946791 and 913946800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213434 + ... + 217673.

Almost surely, 2^913946840 is an apocalyptic number.

It is an amenable number.

913946840 is an abundant number, since it is smaller than the sum of its proper divisors (1181238040).

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

913946840 is a wasteful number, since it uses less digits than its factorization.

913946840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431171 (or 431167 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 913946840 is about 30231.5537146208. The cubic root of 913946840 is about 970.4510744379.

The spelling of 913946840 in words is "nine hundred thirteen million, nine hundred forty-six thousand, eight hundred forty".