8939425 has 12 divisors (see below), whose sum is σ = 12092976. Its totient is φ = 6501200.

The previous prime is 8939419. The next prime is 8939431. The reversal of 8939425 is 5249398.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8939419) and next prime (8939431).

It is not a de Polignac number, because 8939425 - 2⁵ = 8939393 is a prime.

It is an Ulam number.

It is a Duffinian number.

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, 15979 + ... + 16528.

It is an arithmetic number, because the mean of its divisors is an integer number (1007748).

Almost surely, 2^8939425 is an apocalyptic number.

It is an amenable number.

8939425 is a deficient number, since it is larger than the sum of its proper divisors (3153551).

8939425 is a wasteful number, since it uses less digits than its factorization.

8939425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32528 (or 32523 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 8939425 is about 2989.8871216151. The cubic root of 8939425 is about 207.5406607307.

The spelling of 8939425 in words is "eight million, nine hundred thirty-nine thousand, four hundred twenty-five".