319986712 has 32 divisors (see below), whose sum is σ = 620421120. Its totient is φ = 154559520.

The previous prime is 319986697. The next prime is 319986713. The reversal of 319986712 is 217689913.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319986713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268983 + ... + 270169.

It is an arithmetic number, because the mean of its divisors is an integer number (19388160).

Almost surely, 2^319986712 is an apocalyptic number.

It is an amenable number.

319986712 is a deficient number, since it is larger than the sum of its proper divisors (300434408).

319986712 is a wasteful number, since it uses less digits than its factorization.

319986712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311 (or 2307 counting only the distinct ones).

The product of its digits is 163296, while the sum is 46.

The square root of 319986712 is about 17888.1724052515. The cubic root of 319986712 is about 683.9809109728.

The spelling of 319986712 in words is "three hundred nineteen million, nine hundred eighty-six thousand, seven hundred twelve".