313998 has 16 divisors (see below), whose sum is σ = 639360. Its totient is φ = 102776.

The previous prime is 313997. The next prime is 314003. The reversal of 313998 is 899313.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 313998.

It is not an unprimeable number, because it can be changed into a prime (313991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90 + ... + 797.

It is an arithmetic number, because the mean of its divisors is an integer number (39960).

2³¹³⁹⁹⁸ is an apocalyptic number.

313998 is an abundant number, since it is smaller than the sum of its proper divisors (325362).

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

313998 is a wasteful number, since it uses less digits than its factorization.

313998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951.

The product of its digits is 5832, while the sum is 33.

The square root of 313998 is about 560.3552444655. The cubic root of 313998 is about 67.9686995508.

The spelling of 313998 in words is "three hundred thirteen thousand, nine hundred ninety-eight".