8389425 has 24 divisors (see below), whose sum is σ = 15132960. Its totient is φ = 4067200.

The previous prime is 8389373. The next prime is 8389441. The reversal of 8389425 is 5249838.

It is a happy number.

It is not a de Polignac number, because 8389425 - 2⁶ = 8389361 is a prime.

It is a d-powerful number, because it can be written as 8 + 3³ + 8³ + 9 + 4⁴ + 2²³ + 5 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4260 + ... + 5909.

It is an arithmetic number, because the mean of its divisors is an integer number (630540).

Almost surely, 2^8389425 is an apocalyptic number.

It is an amenable number.

8389425 is a deficient number, since it is larger than the sum of its proper divisors (6743535).

8389425 is a wasteful number, since it uses less digits than its factorization.

8389425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10193 (or 10188 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 8389425 is about 2896.4504138687. The cubic root of 8389425 is about 203.1939308462.

The spelling of 8389425 in words is "eight million, three hundred eighty-nine thousand, four hundred twenty-five".