9856625 has 8 divisors (see below), whose sum is σ = 12301224. Its totient is φ = 7885200.

The previous prime is 9856619. The next prime is 9856633. The reversal of 9856625 is 5266589.

9856625 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 4 ways, for example, as 2283121 + 7573504 = 1511^2 + 2752^2 .

It is not a de Polignac number, because 9856625 - 2¹² = 9852529 is a prime.

It is a super-3 number, since 3×9856625³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39302 + ... + 39551.

It is an arithmetic number, because the mean of its divisors is an integer number (1537653).

Almost surely, 2^9856625 is an apocalyptic number.

It is an amenable number.

9856625 is a deficient number, since it is larger than the sum of its proper divisors (2444599).

9856625 is an equidigital number, since it uses as much as digits as its factorization.

9856625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78868 (or 78858 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 9856625 is about 3139.5262381449. The cubic root of 9856625 is about 214.4088683609.

The spelling of 9856625 in words is "nine million, eight hundred fifty-six thousand, six hundred twenty-five".