319397 has 8 divisors (see below), whose sum is σ = 349440. Its totient is φ = 290160.

The previous prime is 319391. The next prime is 319399. The reversal of 319397 is 793913.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 319397 - 2¹⁴ = 303013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872 + ... + 1182.

It is an arithmetic number, because the mean of its divisors is an integer number (43680).

2³¹⁹³⁹⁷ is an apocalyptic number.

It is an amenable number.

319397 is a deficient number, since it is larger than the sum of its proper divisors (30043).

319397 is a wasteful number, since it uses less digits than its factorization.

319397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403.

The product of its digits is 5103, while the sum is 32.

The square root of 319397 is about 565.1521918917. The cubic root of 319397 is about 68.3560477069.

The spelling of 319397 in words is "three hundred nineteen thousand, three hundred ninety-seven".