389317 has 4 divisors (see below), whose sum is σ = 412236. Its totient is φ = 366400.

The previous prime is 389303. The next prime is 389357. The reversal of 389317 is 713983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 713983 = 17 ⋅41999.

It can be written as a sum of positive squares in 2 ways, for example, as 352836 + 36481 = 594^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 389317 - 2⁷ = 389189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389357) 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, 11434 + ... + 11467.

It is an arithmetic number, because the mean of its divisors is an integer number (103059).

2³⁸⁹³¹⁷ is an apocalyptic number.

It is an amenable number.

389317 is a deficient number, since it is larger than the sum of its proper divisors (22919).

389317 is a wasteful number, since it uses less digits than its factorization.

389317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22918.

The product of its digits is 4536, while the sum is 31.

The square root of 389317 is about 623.9527225680. The cubic root of 389317 is about 73.0187604251.

The spelling of 389317 in words is "three hundred eighty-nine thousand, three hundred seventeen".