389884 has 12 divisors (see below), whose sum is σ = 744408. Its totient is φ = 177200.

The previous prime is 389867. The next prime is 389891. The reversal of 389884 is 488983.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4387 + ... + 4474.

It is an arithmetic number, because the mean of its divisors is an integer number (62034).

2³⁸⁹⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

389884 is a deficient number, since it is larger than the sum of its proper divisors (354524).

389884 is a wasteful number, since it uses less digits than its factorization.

389884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8876 (or 8874 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 389884 is about 624.4069186036. The cubic root of 389884 is about 73.0541913244.

Subtracting 389884 from its reverse (488983), we obtain a palindrome (99099).

The spelling of 389884 in words is "three hundred eighty-nine thousand, eight hundred eighty-four".