4389125 has 32 divisors (see below), whose sum is σ = 6141408. Its totient is φ = 3110400.

The previous prime is 4389083. The next prime is 4389131. The reversal of 4389125 is 5219834.

It can be written as a sum of positive squares in 16 ways, for example, as 2829124 + 1560001 = 1682^2 + 1249^2 .

It is not a de Polignac number, because 4389125 - 2⁸ = 4388869 is a prime.

It is a super-3 number, since 3×4389125³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4389091 and 4389100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60089 + ... + 60161.

It is an arithmetic number, because the mean of its divisors is an integer number (191919).

Almost surely, 2^4389125 is an apocalyptic number.

It is an amenable number.

4389125 is a deficient number, since it is larger than the sum of its proper divisors (1752283).

4389125 is a wasteful number, since it uses less digits than its factorization.

4389125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 128 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 4389125 is about 2095.0238662125. The cubic root of 4389125 is about 163.7291409438.

The spelling of 4389125 in words is "four million, three hundred eighty-nine thousand, one hundred twenty-five".