389025 has 72 divisors (see below), whose sum is σ = 902720. Its totient is φ = 155520.

The previous prime is 389023. The next prime is 389027. The reversal of 389025 is 520983.

It is an interprime number because it is at equal distance from previous prime (389023) and next prime (389027).

It is not a de Polignac number, because 389025 - 2¹ = 389023 is a prime.

It is a Curzon number.

389025 is a lucky number.

It is a nialpdrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 389025.

It is not an unprimeable number, because it can be changed into a prime (389023) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20466 + ... + 20484.

2³⁸⁹⁰²⁵ is an apocalyptic number.

389025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

389025 is an abundant number, since it is smaller than the sum of its proper divisors (513695).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389025 is a wasteful number, since it uses less digits than its factorization.

389025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 389025 is about 623.7186865888. The cubic root of 389025 is about 73.0005004032. Note that the first 3 decimals are identical.

The spelling of 389025 in words is "three hundred eighty-nine thousand, twenty-five".