9800825 has 6 divisors (see below), whose sum is σ = 12153054. Its totient is φ = 7840640.

The previous prime is 9800821. The next prime is 9800831. The reversal of 9800825 is 5280089.

9800825 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 3 ways, for example, as 116281 + 9684544 = 341^2 + 3112^2 .

It is not a de Polignac number, because 9800825 - 2² = 9800821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9800791 and 9800800.

It is not an unprimeable number, because it can be changed into a prime (9800821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 195992 + ... + 196041.

It is an arithmetic number, because the mean of its divisors is an integer number (2025509).

Almost surely, 2^9800825 is an apocalyptic number.

It is an amenable number.

9800825 is a deficient number, since it is larger than the sum of its proper divisors (2352229).

9800825 is a wasteful number, since it uses less digits than its factorization.

9800825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392043 (or 392038 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 9800825 is about 3130.6269340182. The cubic root of 9800825 is about 214.0035009763.

The spelling of 9800825 in words is "nine million, eight hundred thousand, eight hundred twenty-five".