313861856 has 144 divisors (see below), whose sum is σ = 810819072. Its totient is φ = 118137600.

The previous prime is 313861829. The next prime is 313861901. The reversal of 313861856 is 658168313.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 534395 + ... + 534981.

It is an arithmetic number, because the mean of its divisors is an integer number (5630688).

Almost surely, 2^313861856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313861856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405409536).

313861856 is an abundant number, since it is smaller than the sum of its proper divisors (496957216).

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

313861856 is a wasteful number, since it uses less digits than its factorization.

313861856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 638 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 313861856 is about 17716.1467593831. The cubic root of 313861856 is about 679.5887478718.

The spelling of 313861856 in words is "three hundred thirteen million, eight hundred sixty-one thousand, eight hundred fifty-six".