8491768 has 32 divisors (see below), whose sum is σ = 16652160. Its totient is φ = 4055040.

The previous prime is 8491753. The next prime is 8491801. The reversal of 8491768 is 8671948.

It is a super-2 number, since 2×8491768² = 144220247531648, which contains 22 as substring.

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, 23880 + ... + 24232.

It is an arithmetic number, because the mean of its divisors is an integer number (520380).

Almost surely, 2^8491768 is an apocalyptic number.

It is an amenable number.

8491768 is a deficient number, since it is larger than the sum of its proper divisors (8160392).

8491768 is a wasteful number, since it uses less digits than its factorization.

8491768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 483 counting only the distinct ones).

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

The square root of 8491768 is about 2914.0638290882. The cubic root of 8491768 is about 204.0168511006.

The spelling of 8491768 in words is "eight million, four hundred ninety-one thousand, seven hundred sixty-eight".