8690425 has 12 divisors (see below), whose sum is σ = 10853100. Its totient is φ = 6902720.

The previous prime is 8690413. The next prime is 8690453. The reversal of 8690425 is 5240968.

It is a happy number.

8690425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1577536 + 7112889 = 1256^2 + 2667^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8690425 is a prime.

It is a congruent 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, 2559 + ... + 4891.

It is an arithmetic number, because the mean of its divisors is an integer number (904425).

Almost surely, 2^8690425 is an apocalyptic number.

It is an amenable number.

8690425 is a deficient number, since it is larger than the sum of its proper divisors (2162675).

8690425 is a wasteful number, since it uses less digits than its factorization.

8690425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492 (or 2487 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 8690425 is about 2947.9526794031. The cubic root of 8690425 is about 205.5955318186.

The spelling of 8690425 in words is "eight million, six hundred ninety thousand, four hundred twenty-five".