9845825 has 12 divisors (see below), whose sum is σ = 13319088. Its totient is φ = 7160400.

The previous prime is 9845821. The next prime is 9845831. The reversal of 9845825 is 5285489.

It is not a de Polignac number, because 9845825 - 2² = 9845821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9845821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17627 + ... + 18176.

It is an arithmetic number, because the mean of its divisors is an integer number (1109924).

Almost surely, 2^9845825 is an apocalyptic number.

It is an amenable number.

9845825 is a deficient number, since it is larger than the sum of its proper divisors (3473263).

9845825 is a wasteful number, since it uses less digits than its factorization.

9845825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35824 (or 35819 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 9845825 is about 3137.8057619936. The cubic root of 9845825 is about 214.3305297801.

The spelling of 9845825 in words is "nine million, eight hundred forty-five thousand, eight hundred twenty-five".