8820625 has 20 divisors (see below), whose sum is σ = 12033648. Its totient is φ = 6410000.

The previous prime is 8820619. The next prime is 8820649. The reversal of 8820625 is 5260288.

It is not a de Polignac number, because 8820625 - 2⁵ = 8820593 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6234 + ... + 7516.

Almost surely, 2^8820625 is an apocalyptic number.

It is an amenable number.

8820625 is a deficient number, since it is larger than the sum of its proper divisors (3213023).

8820625 is a wasteful number, since it uses less digits than its factorization.

8820625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1299 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 8820625 is about 2969.9537033429. The cubic root of 8820625 is about 206.6171910124.

The spelling of 8820625 in words is "eight million, eight hundred twenty thousand, six hundred twenty-five".