313493789 has 8 divisors (see below), whose sum is σ = 360857280. Its totient is φ = 266774976.

The previous prime is 313493767. The next prime is 313493813. The reversal of 313493789 is 987394313.

It is a happy number.

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 313493789 - 2²⁸ = 45058333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313495789) 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, 160124 + ... + 162069.

It is an arithmetic number, because the mean of its divisors is an integer number (45107160).

Almost surely, 2^313493789 is an apocalyptic number.

It is an amenable number.

313493789 is a deficient number, since it is larger than the sum of its proper divisors (47363491).

313493789 is a wasteful number, since it uses less digits than its factorization.

313493789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322339.

The product of its digits is 489888, while the sum is 47.

The square root of 313493789 is about 17705.7558155533. The cubic root of 313493789 is about 679.3229918517.

The spelling of 313493789 in words is "three hundred thirteen million, four hundred ninety-three thousand, seven hundred eighty-nine".