389555 has 8 divisors (see below), whose sum is σ = 495072. Its totient is φ = 293248.

The previous prime is 389539. The next prime is 389561. The reversal of 389555 is 555983.

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

It is a cyclic number.

It is not a de Polignac number, because 389555 - 2⁴ = 389539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207 + ... + 2376.

It is an arithmetic number, because the mean of its divisors is an integer number (61884).

2³⁸⁹⁵⁵⁵ is an apocalyptic number.

389555 is a deficient number, since it is larger than the sum of its proper divisors (105517).

389555 is a wasteful number, since it uses less digits than its factorization.

389555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605.

The product of its digits is 27000, while the sum is 35.

The square root of 389555 is about 624.1434130070. The cubic root of 389555 is about 73.0336368410.

The spelling of 389555 in words is "three hundred eighty-nine thousand, five hundred fifty-five".