389045 has 16 divisors (see below), whose sum is σ = 518400. Its totient is φ = 278784.

The previous prime is 389041. The next prime is 389047. The reversal of 389045 is 540983.

389045 is nontrivially palindromic in base 4.

It is a cyclic number.

It is not a de Polignac number, because 389045 - 2² = 389041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 388999 and 389017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1856 + ... + 2054.

It is an arithmetic number, because the mean of its divisors is an integer number (32400).

2³⁸⁹⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

389045 is a deficient number, since it is larger than the sum of its proper divisors (129355).

389045 is a wasteful number, since it uses less digits than its factorization.

389045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 389045 is about 623.7347192517. The cubic root of 389045 is about 73.0017513810.

The spelling of 389045 in words is "three hundred eighty-nine thousand, forty-five".