319454939 has 8 divisors (see below), whose sum is σ = 338820048. Its totient is φ = 300153600.

The previous prime is 319454893. The next prime is 319454953. The reversal of 319454939 is 939454913.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 319454939 - 2¹² = 319450843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 319454893 and 319454902.

It is not an unprimeable number, because it can be changed into a prime (319484939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5417 + ... + 25850.

It is an arithmetic number, because the mean of its divisors is an integer number (42352506).

Almost surely, 2^319454939 is an apocalyptic number.

319454939 is a deficient number, since it is larger than the sum of its proper divisors (19365109).

319454939 is a wasteful number, since it uses less digits than its factorization.

319454939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31885.

The product of its digits is 524880, while the sum is 47.

The square root of 319454939 is about 17873.3024089003. The cubic root of 319454939 is about 683.6018074675.

The spelling of 319454939 in words is "three hundred nineteen million, four hundred fifty-four thousand, nine hundred thirty-nine".