313844380 has 72 divisors (see below), whose sum is σ = 698862528. Its totient is φ = 118331136.

The previous prime is 313844369. The next prime is 313844383. The reversal of 313844380 is 83448313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313844383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 790342 + ... + 790738.

It is an arithmetic number, because the mean of its divisors is an integer number (9706424).

Almost surely, 2^313844380 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 313844380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349431264).

313844380 is an abundant number, since it is smaller than the sum of its proper divisors (385018148).

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

313844380 is a wasteful number, since it uses less digits than its factorization.

313844380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 313844380 is about 17715.6535301411. The cubic root of 313844380 is about 679.5761343465.

The spelling of 313844380 in words is "three hundred thirteen million, eight hundred forty-four thousand, three hundred eighty".