319980349 has 16 divisors (see below), whose sum is σ = 363428800. Its totient is φ = 279282816.

The previous prime is 319980343. The next prime is 319980361. The reversal of 319980349 is 943089913.

It is a cyclic number.

It is not a de Polignac number, because 319980349 - 2⁵ = 319980317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 319980299 and 319980308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319980343) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 181657 + ... + 183409.

It is an arithmetic number, because the mean of its divisors is an integer number (22714300).

Almost surely, 2^319980349 is an apocalyptic number.

It is an amenable number.

319980349 is a deficient number, since it is larger than the sum of its proper divisors (43448451).

319980349 is a wasteful number, since it uses less digits than its factorization.

319980349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 319980349 is about 17887.9945494178. The cubic root of 319980349 is about 683.9763772435.

The spelling of 319980349 in words is "three hundred nineteen million, nine hundred eighty thousand, three hundred forty-nine".