319420 has 12 divisors (see below), whose sum is σ = 670824. Its totient is φ = 127760.

The previous prime is 319411. The next prime is 319427. The reversal of 319420 is 24913.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319427) by changing a digit.

319420 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7966 + ... + 8005.

It is an arithmetic number, because the mean of its divisors is an integer number (55902).

2³¹⁹⁴²⁰ is an apocalyptic number.

It is an amenable number.

319420 is an abundant number, since it is smaller than the sum of its proper divisors (351404).

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

319420 is a wasteful number, since it uses less digits than its factorization.

319420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15980 (or 15978 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 319420 is about 565.1725400265. The cubic root of 319420 is about 68.3576884563.

The spelling of 319420 in words is "three hundred nineteen thousand, four hundred twenty".