8490925 has 6 divisors (see below), whose sum is σ = 10528778. Its totient is φ = 6792720.

The previous prime is 8490919. The next prime is 8490941. The reversal of 8490925 is 5290948.

8490925 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1447209 + 7043716 = 1203^2 + 2654^2 .

It is not a de Polignac number, because 8490925 - 2³ = 8490917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169794 + ... + 169843.

Almost surely, 2^8490925 is an apocalyptic number.

It is an amenable number.

8490925 is a deficient number, since it is larger than the sum of its proper divisors (2037853).

8490925 is a wasteful number, since it uses less digits than its factorization.

8490925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339647 (or 339642 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 8490925 is about 2913.9191821325. The cubic root of 8490925 is about 204.0100997819.

The spelling of 8490925 in words is "eight million, four hundred ninety thousand, nine hundred twenty-five".