389613 has 8 divisors (see below), whose sum is σ = 593728. Its totient is φ = 222624.

The previous prime is 389591. The next prime is 389621. The reversal of 389613 is 316983.

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

It is not a de Polignac number, because 389613 - 2⁸ = 389357 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 (389663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9256 + ... + 9297.

It is an arithmetic number, because the mean of its divisors is an integer number (74216).

2³⁸⁹⁶¹³ is an apocalyptic number.

It is an amenable number.

389613 is a deficient number, since it is larger than the sum of its proper divisors (204115).

389613 is a wasteful number, since it uses less digits than its factorization.

389613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18563.

The product of its digits is 3888, while the sum is 30.

The square root of 389613 is about 624.1898749579. The cubic root of 389613 is about 73.0372612678.

The spelling of 389613 in words is "three hundred eighty-nine thousand, six hundred thirteen".