668092 has 6 divisors (see below), whose sum is σ = 1169168. Its totient is φ = 334044.

The previous prime is 668089. The next prime is 668093. The reversal of 668092 is 290866.

668092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83508 + ... + 83515.

2⁶⁶⁸⁰⁹² is an apocalyptic number.

It is an amenable number.

668092 is a deficient number, since it is larger than the sum of its proper divisors (501076).

668092 is a wasteful number, since it uses less digits than its factorization.

668092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167027 (or 167025 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 668092 is about 817.3689497406. The cubic root of 668092 is about 87.4202593254.

The spelling of 668092 in words is "six hundred sixty-eight thousand, ninety-two".