319680036 has 144 divisors (see below), whose sum is σ = 962043264. Its totient is φ = 88501248.

The previous prime is 319679999. The next prime is 319680043. The reversal of 319680036 is 630086913.

It is a happy number.

It is a super-2 number, since 2×319680036² = 204390650833922592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182115 + ... + 183861.

It is an arithmetic number, because the mean of its divisors is an integer number (6680856).

Almost surely, 2^319680036 is an apocalyptic number.

319680036 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 319680036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481021632).

319680036 is an abundant number, since it is smaller than the sum of its proper divisors (642363228).

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

319680036 is a wasteful number, since it uses less digits than its factorization.

319680036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1805 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 319680036 is about 17879.5983176357. The cubic root of 319680036 is about 683.7623315034.

The spelling of 319680036 in words is "three hundred nineteen million, six hundred eighty thousand, thirty-six".