917022868 has 12 divisors (see below), whose sum is σ = 1621334932. Its totient is φ = 453784320.

The previous prime is 917022863. The next prime is 917022881. The reversal of 917022868 is 868220719.

It can be written as a sum of positive squares in 2 ways, for example, as 264322564 + 652700304 = 16258^2 + 25548^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (917022863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1181343 + ... + 1182118.

Almost surely, 2^917022868 is an apocalyptic number.

It is an amenable number.

917022868 is a deficient number, since it is larger than the sum of its proper divisors (704312064).

917022868 is a wasteful number, since it uses less digits than its factorization.

917022868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363562 (or 2363560 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 917022868 is about 30282.3854410448. The cubic root of 917022868 is about 971.5385891668.

The spelling of 917022868 in words is "nine hundred seventeen million, twenty-two thousand, eight hundred sixty-eight".