918313 has 8 divisors (see below), whose sum is σ = 1034496. Its totient is φ = 807600.

The previous prime is 918301. The next prime is 918319. The reversal of 918313 is 313819.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 918313 - 2¹³ = 910121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (918319) 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, 1006 + ... + 1687.

It is an arithmetic number, because the mean of its divisors is an integer number (129312).

2⁹¹⁸³¹³ is an apocalyptic number.

It is an amenable number.

918313 is a deficient number, since it is larger than the sum of its proper divisors (116183).

918313 is a wasteful number, since it uses less digits than its factorization.

918313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735.

The product of its digits is 648, while the sum is 25.

The square root of 918313 is about 958.2864916089. The cubic root of 918313 is about 97.1993985184.

The spelling of 918313 in words is "nine hundred eighteen thousand, three hundred thirteen".