8604225 has 60 divisors (see below), whose sum is σ = 18244864. Its totient is φ = 3926880.

The previous prime is 8604223. The next prime is 8604241. The reversal of 8604225 is 5224068.

It is not a de Polignac number, because 8604225 - 2¹ = 8604223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8604221) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 13872 + ... + 14478.

Almost surely, 2^8604225 is an apocalyptic number.

It is an amenable number.

8604225 is an abundant number, since it is smaller than the sum of its proper divisors (9640639).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8604225 is a wasteful number, since it uses less digits than its factorization.

8604225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 8604225 is about 2933.2959277918. The cubic root of 8604225 is about 204.9135070380.

The spelling of 8604225 in words is "eight million, six hundred four thousand, two hundred twenty-five".