319668 has 24 divisors (see below), whose sum is σ = 790272. Its totient is φ = 100224.

The previous prime is 319639. The next prime is 319673. The reversal of 319668 is 866913.

It is a congruent number.

It is an unprimeable number.

319668 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580 + ... + 987.

It is an arithmetic number, because the mean of its divisors is an integer number (32928).

2³¹⁹⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

319668 is an abundant number, since it is smaller than the sum of its proper divisors (470604).

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

319668 is a wasteful number, since it uses less digits than its factorization.

319668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591 (or 1589 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 319668 is about 565.3918994821. The cubic root of 319668 is about 68.3753750145.

The spelling of 319668 in words is "three hundred nineteen thousand, six hundred sixty-eight".