8668692 has 18 divisors (see below), whose sum is σ = 21912618. Its totient is φ = 2889552.

The previous prime is 8668687. The next prime is 8668697. The reversal of 8668692 is 2968668.

It is an interprime number because it is at equal distance from previous prime (8668687) and next prime (8668697).

It can be written as a sum of positive squares in only one way, i.e., 6780816 + 1887876 = 2604^2 + 1374^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8668697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120363 + ... + 120434.

Almost surely, 2^8668692 is an apocalyptic number.

It is an amenable number.

8668692 is an abundant number, since it is smaller than the sum of its proper divisors (13243926).

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

8668692 is a wasteful number, since it uses less digits than its factorization.

8668692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240807 (or 240802 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 8668692 is about 2944.2642544446. The cubic root of 8668692 is about 205.4240044356.

The spelling of 8668692 in words is "eight million, six hundred sixty-eight thousand, six hundred ninety-two".