389825 has 12 divisors (see below), whose sum is σ = 499968. Its totient is φ = 301200.

The previous prime is 389819. The next prime is 389839. The reversal of 389825 is 528983.

It is not a de Polignac number, because 389825 - 2⁶ = 389761 is a prime.

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 524 + ... + 1026.

It is an arithmetic number, because the mean of its divisors is an integer number (41664).

2³⁸⁹⁸²⁵ is an apocalyptic number.

It is an amenable number.

389825 is a deficient number, since it is larger than the sum of its proper divisors (110143).

389825 is a wasteful number, since it uses less digits than its factorization.

389825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 539 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 389825 is about 624.3596719840. The cubic root of 389825 is about 73.0505061132.

The spelling of 389825 in words is "three hundred eighty-nine thousand, eight hundred twenty-five".