389873 has 12 divisors (see below), whose sum is σ = 451248. Its totient is φ = 333960.

The previous prime is 389867. The next prime is 389891. The reversal of 389873 is 378983.

It is not a de Polignac number, because 389873 - 2¹⁴ = 373489 is a prime.

It is a super-2 number, since 2×389873² = 304001912258, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (389173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5786 + ... + 5852.

It is an arithmetic number, because the mean of its divisors is an integer number (37604).

2³⁸⁹⁸⁷³ is an apocalyptic number.

It is an amenable number.

389873 is a deficient number, since it is larger than the sum of its proper divisors (61375).

389873 is a wasteful number, since it uses less digits than its factorization.

389873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 101 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 389873 is about 624.3981101829. The cubic root of 389873 is about 73.0535042793.

The spelling of 389873 in words is "three hundred eighty-nine thousand, eight hundred seventy-three".