313487 has 4 divisors (see below), whose sum is σ = 315096. Its totient is φ = 311880.

The previous prime is 313477. The next prime is 313507. The reversal of 313487 is 784313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313487 - 2⁴ = 313471 is a prime.

It is a Duffinian number.

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 313487.

It is not an unprimeable number, because it can be changed into a prime (313477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464 + ... + 917.

It is an arithmetic number, because the mean of its divisors is an integer number (78774).

2³¹³⁴⁸⁷ is an apocalyptic number.

313487 is a deficient number, since it is larger than the sum of its proper divisors (1609).

313487 is a wasteful number, since it uses less digits than its factorization.

313487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608.

The product of its digits is 2016, while the sum is 26.

The square root of 313487 is about 559.8990980525. The cubic root of 313487 is about 67.9318088026.

The spelling of 313487 in words is "three hundred thirteen thousand, four hundred eighty-seven".