9935825 has 6 divisors (see below), whose sum is σ = 12320454. Its totient is φ = 7948640.

The previous prime is 9935813. The next prime is 9935831. The reversal of 9935825 is 5285399.

It can be written as a sum of positive squares in 3 ways, for example, as 25921 + 9909904 = 161^2 + 3148^2 .

It is not a de Polignac number, because 9935825 - 2¹⁰ = 9934801 is a prime.

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, 198692 + ... + 198741.

It is an arithmetic number, because the mean of its divisors is an integer number (2053409).

Almost surely, 2^9935825 is an apocalyptic number.

It is an amenable number.

9935825 is a deficient number, since it is larger than the sum of its proper divisors (2384629).

9935825 is a wasteful number, since it uses less digits than its factorization.

9935825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397443 (or 397438 counting only the distinct ones).

The product of its digits is 97200, while the sum is 41.

The square root of 9935825 is about 3152.1143697525. The cubic root of 9935825 is about 214.9816101091.

The spelling of 9935825 in words is "nine million, nine hundred thirty-five thousand, eight hundred twenty-five".