389625 has 16 divisors (see below), whose sum is σ = 648960. Its totient is φ = 207600.

The previous prime is 389621. The next prime is 389629. The reversal of 389625 is 526983.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (389621) and next prime (389629).

It is not a de Polignac number, because 389625 - 2² = 389621 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 (389621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145 + ... + 894.

It is an arithmetic number, because the mean of its divisors is an integer number (40560).

2³⁸⁹⁶²⁵ is an apocalyptic number.

It is an amenable number.

389625 is a deficient number, since it is larger than the sum of its proper divisors (259335).

389625 is a wasteful number, since it uses less digits than its factorization.

389625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057 (or 1047 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 389625 is about 624.1994873436. The cubic root of 389625 is about 73.0380111043.

The spelling of 389625 in words is "three hundred eighty-nine thousand, six hundred twenty-five".