9803825 has 6 divisors (see below), whose sum is σ = 12156774. Its totient is φ = 7843040.

The previous prime is 9803813. The next prime is 9803863. The reversal of 9803825 is 5283089.

It can be written as a sum of positive squares in 3 ways, for example, as 1760929 + 8042896 = 1327^2 + 2836^2 .

It is not a de Polignac number, because 9803825 - 2²² = 5609521 is a prime.

It is a super-2 number, since 2×9803825² = 192229969261250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196052 + ... + 196101.

It is an arithmetic number, because the mean of its divisors is an integer number (2026129).

Almost surely, 2^9803825 is an apocalyptic number.

It is an amenable number.

9803825 is a deficient number, since it is larger than the sum of its proper divisors (2352949).

9803825 is a wasteful number, since it uses less digits than its factorization.

9803825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392163 (or 392158 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 9803825 is about 3131.1060346146. The cubic root of 9803825 is about 214.0253340025.

The spelling of 9803825 in words is "nine million, eight hundred three thousand, eight hundred twenty-five".