9806725 has 6 divisors (see below), whose sum is σ = 12160370. Its totient is φ = 7845360.

The previous prime is 9806701. The next prime is 9806729. The reversal of 9806725 is 5276089.

It can be written as a sum of positive squares in 3 ways, for example, as 1361889 + 8444836 = 1167^2 + 2906^2 .

It is not a de Polignac number, because 9806725 - 2¹¹ = 9804677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9806729) 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, 196110 + ... + 196159.

Almost surely, 2^9806725 is an apocalyptic number.

It is an amenable number.

9806725 is a deficient number, since it is larger than the sum of its proper divisors (2353645).

9806725 is a wasteful number, since it uses less digits than its factorization.

9806725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392279 (or 392274 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 9806725 is about 3131.5690955175. The cubic root of 9806725 is about 214.0464350279.

The spelling of 9806725 in words is "nine million, eight hundred six thousand, seven hundred twenty-five".