389055 has 16 divisors (see below), whose sum is σ = 640224. Its totient is φ = 201600.

The previous prime is 389047. The next prime is 389057. The reversal of 389055 is 550983.

It is not a de Polignac number, because 389055 - 2³ = 389047 is a prime.

It is a nialpdrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389057) 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, 205 + ... + 905.

It is an arithmetic number, because the mean of its divisors is an integer number (40014).

2³⁸⁹⁰⁵⁵ is an apocalyptic number.

389055 is a deficient number, since it is larger than the sum of its proper divisors (251169).

389055 is a wasteful number, since it uses less digits than its factorization.

389055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 389055 is about 623.7427354286. The cubic root of 389055 is about 73.0023768539.

The spelling of 389055 in words is "three hundred eighty-nine thousand, fifty-five".