917966964 has 24 divisors (see below), whose sum is σ = 2187497088. Its totient is φ = 299478400.

The previous prime is 917966927. The next prime is 917966977. The reversal of 917966964 is 469669719.

917966964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813237 + ... + 814364.

It is an arithmetic number, because the mean of its divisors is an integer number (91145712).

Almost surely, 2^917966964 is an apocalyptic number.

917966964 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

917966964 is an abundant number, since it is smaller than the sum of its proper divisors (1269530124).

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

917966964 is a wasteful number, since it uses less digits than its factorization.

917966964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627655 (or 1627653 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 57.

The square root of 917966964 is about 30297.9696349442. The cubic root of 917966964 is about 971.8718818757.

The spelling of 917966964 in words is "nine hundred seventeen million, nine hundred sixty-six thousand, nine hundred sixty-four".