9658725 has 24 divisors (see below), whose sum is σ = 16159680. Its totient is φ = 5089920.

The previous prime is 9658723. The next prime is 9658751. The reversal of 9658725 is 5278569.

It is not a de Polignac number, because 9658725 - 2¹ = 9658723 is a prime.

It is an alternating number because its digits alternate between odd and even.

9658725 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9658723) 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 23 ways as a sum of consecutive naturals, for example, 5952 + ... + 7398.

It is an arithmetic number, because the mean of its divisors is an integer number (673320).

Almost surely, 2^9658725 is an apocalyptic number.

It is an amenable number.

9658725 is a deficient number, since it is larger than the sum of its proper divisors (6500955).

9658725 is a wasteful number, since it uses less digits than its factorization.

9658725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549 (or 1544 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The square root of 9658725 is about 3107.8489345526. The cubic root of 9658725 is about 212.9641986159.

The spelling of 9658725 in words is "nine million, six hundred fifty-eight thousand, seven hundred twenty-five".