668094 has 16 divisors (see below), whose sum is σ = 1527168. Its totient is φ = 190872.

The previous prime is 668093. The next prime is 668111. The reversal of 668094 is 490866.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 668094.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7912 + ... + 7995.

It is an arithmetic number, because the mean of its divisors is an integer number (95448).

2⁶⁶⁸⁰⁹⁴ is an apocalyptic number.

668094 is an abundant number, since it is smaller than the sum of its proper divisors (859074).

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

668094 is a wasteful number, since it uses less digits than its factorization.

668094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15919.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 668094 is about 817.3701731774. The cubic root of 668094 is about 87.4203465591.

The spelling of 668094 in words is "six hundred sixty-eight thousand, ninety-four".