319494492 has 18 divisors (see below), whose sum is σ = 807611168. Its totient is φ = 106498152.

The previous prime is 319494491. The next prime is 319494521. The reversal of 319494492 is 294494913.

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319494491) 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 5 ways as a sum of consecutive naturals, for example, 4437388 + ... + 4437459.

Almost surely, 2^319494492 is an apocalyptic number.

It is an amenable number.

319494492 is an abundant number, since it is smaller than the sum of its proper divisors (488116676).

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

319494492 is a wasteful number, since it uses less digits than its factorization.

319494492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8874857 (or 8874852 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 319494492 is about 17874.4088573581. The cubic root of 319494492 is about 683.6300194657.

The spelling of 319494492 in words is "three hundred nineteen million, four hundred ninety-four thousand, four hundred ninety-two".