313844256 has 144 divisors (see below), whose sum is σ = 981384768. Its totient is φ = 94348800.

The previous prime is 313844233. The next prime is 313844257. The reversal of 313844256 is 652448313.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a self number, because there is not a number n which added to its sum of digits gives 313844256.

It is not an unprimeable number, because it can be changed into a prime (313844257) 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 23 ways as a sum of consecutive naturals, for example, 497061 + ... + 497691.

It is an arithmetic number, because the mean of its divisors is an integer number (6815172).

Almost surely, 2^313844256 is an apocalyptic number.

313844256 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 313844256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490692384).

313844256 is an abundant number, since it is smaller than the sum of its proper divisors (667540512).

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

313844256 is a wasteful number, since it uses less digits than its factorization.

313844256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 804 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 313844256 is about 17715.6500304110. The cubic root of 313844256 is about 679.5760448463.

The spelling of 313844256 in words is "three hundred thirteen million, eight hundred forty-four thousand, two hundred fifty-six".