319216368 has 40 divisors (see below), whose sum is σ = 825282000. Its totient is φ = 106322944.

The previous prime is 319216367. The next prime is 319216399. The reversal of 319216368 is 863612913.

It is a super-2 number, since 2×319216368² = 203798179198222848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319216367) 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, 121048 + ... + 123656.

It is an arithmetic number, because the mean of its divisors is an integer number (20632050).

Almost surely, 2^319216368 is an apocalyptic number.

It is an amenable number.

319216368 is an abundant number, since it is smaller than the sum of its proper divisors (506065632).

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

319216368 is a wasteful number, since it uses less digits than its factorization.

319216368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5169 (or 5163 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 319216368 is about 17866.6272138868. The cubic root of 319216368 is about 683.4315923479.

The spelling of 319216368 in words is "three hundred nineteen million, two hundred sixteen thousand, three hundred sixty-eight".