319249799 has 16 divisors (see below), whose sum is σ = 367217280. Its totient is φ = 274491360.

The previous prime is 319249717. The next prime is 319249871. The reversal of 319249799 is 997942913.

It is a de Polignac number, because none of the positive numbers 2^k-319249799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 319249799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319249999) 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, 197117 + ... + 198729.

It is an arithmetic number, because the mean of its divisors is an integer number (22951080).

Almost surely, 2^319249799 is an apocalyptic number.

319249799 is a deficient number, since it is larger than the sum of its proper divisors (47967481).

319249799 is a wasteful number, since it uses less digits than its factorization.

319249799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590.

The product of its digits is 1102248, while the sum is 53.

The square root of 319249799 is about 17867.5627604886. The cubic root of 319249799 is about 683.4554497336.

The spelling of 319249799 in words is "three hundred nineteen million, two hundred forty-nine thousand, seven hundred ninety-nine".