668334 has 32 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 204512.

The previous prime is 668303. The next prime is 668347. The reversal of 668334 is 433866.

668334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3919 + ... + 4085.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2⁶⁶⁸³³⁴ is an apocalyptic number.

668334 is an abundant number, since it is smaller than the sum of its proper divisors (783186).

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

668334 is a wasteful number, since it uses less digits than its factorization.

668334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224.

The product of its digits is 10368, while the sum is 30.

The square root of 668334 is about 817.5169723009. The cubic root of 668334 is about 87.4308133354.

The spelling of 668334 in words is "six hundred sixty-eight thousand, three hundred thirty-four".