319290897 has 16 divisors (see below), whose sum is σ = 434803520. Its totient is φ = 208353600.

The previous prime is 319290887. The next prime is 319290911. The reversal of 319290897 is 798092913.

It is not a de Polignac number, because 319290897 - 2²⁴ = 302513681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319290887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34479 + ... + 42747.

It is an arithmetic number, because the mean of its divisors is an integer number (27175220).

Almost surely, 2^319290897 is an apocalyptic number.

It is an amenable number.

319290897 is a deficient number, since it is larger than the sum of its proper divisors (115512623).

319290897 is a wasteful number, since it uses less digits than its factorization.

319290897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8544.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 319290897 is about 17868.7127963936. The cubic root of 319290897 is about 683.4847762431.

The spelling of 319290897 in words is "three hundred nineteen million, two hundred ninety thousand, eight hundred ninety-seven".