389888 has 18 divisors (see below), whose sum is σ = 778764. Its totient is φ = 194816.

The previous prime is 389867. The next prime is 389891. The reversal of 389888 is 888983.

It is an unprimeable number.

389888 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506 + ... + 1017.

2³⁸⁹⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

389888 is a deficient number, since it is larger than the sum of its proper divisors (388876).

389888 is an equidigital number, since it uses as much as digits as its factorization.

389888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539 (or 1525 counting only the distinct ones).

The product of its digits is 110592, while the sum is 44.

The square root of 389888 is about 624.4101216348. The cubic root of 389888 is about 73.0544411558.

The spelling of 389888 in words is "three hundred eighty-nine thousand, eight hundred eighty-eight".