389315 has 4 divisors (see below), whose sum is σ = 467184. Its totient is φ = 311448.

The previous prime is 389303. The next prime is 389357. The reversal of 389315 is 513983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513983 = 173 ⋅2971.

It is a cyclic number.

It is not a de Polignac number, because 389315 - 2⁴ = 389299 is a prime.

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 389315.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38927 + ... + 38936.

It is an arithmetic number, because the mean of its divisors is an integer number (116796).

2³⁸⁹³¹⁵ is an apocalyptic number.

389315 is a deficient number, since it is larger than the sum of its proper divisors (77869).

389315 is an equidigital number, since it uses as much as digits as its factorization.

389315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77868.

The product of its digits is 3240, while the sum is 29.

The square root of 389315 is about 623.9511198804. The cubic root of 389315 is about 73.0186353875.

The spelling of 389315 in words is "three hundred eighty-nine thousand, three hundred fifteen".