8669425 has 12 divisors (see below), whose sum is σ = 10786636. Its totient is φ = 6912000.

The previous prime is 8669417. The next prime is 8669443. The reversal of 8669425 is 5249668.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1292769 + 7376656 = 1137^2 + 2716^2 .

It is not a de Polignac number, because 8669425 - 2³ = 8669417 is a prime.

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, 14125 + ... + 14725.

Almost surely, 2^8669425 is an apocalyptic number.

It is an amenable number.

8669425 is a deficient number, since it is larger than the sum of its proper divisors (2117211).

8669425 is a wasteful number, since it uses less digits than its factorization.

8669425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188 (or 1183 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 8669425 is about 2944.3887311291. The cubic root of 8669425 is about 205.4297942961.

The spelling of 8669425 in words is "eight million, six hundred sixty-nine thousand, four hundred twenty-five".