9826825 has 6 divisors (see below), whose sum is σ = 12185294. Its totient is φ = 7861440.

The previous prime is 9826813. The next prime is 9826829. The reversal of 9826825 is 5286289.

It can be written as a sum of positive squares in 3 ways, for example, as 1468944 + 8357881 = 1212^2 + 2891^2 .

It is not a de Polignac number, because 9826825 - 2¹⁷ = 9695753 is a prime.

It is a Duffinian number.

9826825 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9826829) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 196512 + ... + 196561.

Almost surely, 2^9826825 is an apocalyptic number.

It is an amenable number.

9826825 is a deficient number, since it is larger than the sum of its proper divisors (2358469).

9826825 is a wasteful number, since it uses less digits than its factorization.

9826825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393083 (or 393078 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 9826825 is about 3134.7767065614. The cubic root of 9826825 is about 214.1925727484.

The spelling of 9826825 in words is "nine million, eight hundred twenty-six thousand, eight hundred twenty-five".