9439825 has 6 divisors (see below), whose sum is σ = 11705414. Its totient is φ = 7551840.

The previous prime is 9439757. The next prime is 9439853. The reversal of 9439825 is 5289349.

It is a happy number.

9439825 is digitally balanced in base 3, 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 173889 + 9265936 = 417^2 + 3044^2 .

It is not a de Polignac number, because 9439825 - 2¹⁷ = 9308753 is a prime.

It is a super-2 number, since 2×9439825² = 178220592061250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188772 + ... + 188821.

Almost surely, 2^9439825 is an apocalyptic number.

It is an amenable number.

9439825 is a deficient number, since it is larger than the sum of its proper divisors (2265589).

9439825 is a wasteful number, since it uses less digits than its factorization.

9439825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377603 (or 377598 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 9439825 is about 3072.4298201912. The cubic root of 9439825 is about 211.3430550669.

The spelling of 9439825 in words is "nine million, four hundred thirty-nine thousand, eight hundred twenty-five".