389313 has 8 divisors (see below), whose sum is σ = 576800. Its totient is φ = 259524.

The previous prime is 389303. The next prime is 389357. The reversal of 389313 is 313983.

It is not a de Polignac number, because 389313 - 2⁴ = 389297 is a prime.

It is a super-2 number, since 2×389313² = 303129223938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 14419 = 389313 / (3 + 8 + 9 + 3 + 1 + 3).

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389313.

It is not an unprimeable number, because it can be changed into a prime (389303) 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, 7183 + ... + 7236.

It is an arithmetic number, because the mean of its divisors is an integer number (72100).

2³⁸⁹³¹³ is an apocalyptic number.

It is an amenable number.

389313 is a deficient number, since it is larger than the sum of its proper divisors (187487).

389313 is a wasteful number, since it uses less digits than its factorization.

389313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14428 (or 14422 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 389313 is about 623.9495171887. The cubic root of 389313 is about 73.0185103495.

The spelling of 389313 in words is "three hundred eighty-nine thousand, three hundred thirteen".