913491980 has 24 divisors (see below), whose sum is σ = 1919027040. Its totient is φ = 365264640.

The previous prime is 913491979. The next prime is 913492033. The reversal of 913491980 is 89194319.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63716 + ... + 76724.

It is an arithmetic number, because the mean of its divisors is an integer number (79959460).

Almost surely, 2^913491980 is an apocalyptic number.

It is an amenable number.

913491980 is an abundant number, since it is smaller than the sum of its proper divisors (1005535060).

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

913491980 is a wasteful number, since it uses less digits than its factorization.

913491980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16529 (or 16527 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 913491980 is about 30224.0298438180. The cubic root of 913491980 is about 970.2900539036.

The spelling of 913491980 in words is "nine hundred thirteen million, four hundred ninety-one thousand, nine hundred eighty".