319608396 has 48 divisors (see below), whose sum is σ = 834701280. Its totient is φ = 105753600.

The previous prime is 319608389. The next prime is 319608397. The reversal of 319608396 is 693806913.

319608396 is a `hidden beast` number, since 3 + 1 + 9 + 608 + 39 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (319608397) 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, 3996 + ... + 25596.

It is an arithmetic number, because the mean of its divisors is an integer number (17389610).

Almost surely, 2^319608396 is an apocalyptic number.

319608396 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 319608396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417350640).

319608396 is an abundant number, since it is smaller than the sum of its proper divisors (515092884).

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

319608396 is a wasteful number, since it uses less digits than its factorization.

319608396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21751 (or 21743 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 319608396 is about 17877.5948046710. The cubic root of 319608396 is about 683.7112508524.

The spelling of 319608396 in words is "three hundred nineteen million, six hundred eight thousand, three hundred ninety-six".