9858925 has 6 divisors (see below), whose sum is σ = 12225098. Its totient is φ = 7887120.

The previous prime is 9858887. The next prime is 9858949. The reversal of 9858925 is 5298589.

It can be written as a sum of positive squares in 3 ways, for example, as 11881 + 9847044 = 109^2 + 3138^2 .

It is not a de Polignac number, because 9858925 - 2⁹ = 9858413 is a prime.

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

It is a Duffinian number.

9858925 is a lucky number.

It is a congruent 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, 197154 + ... + 197203.

Almost surely, 2^9858925 is an apocalyptic number.

It is an amenable number.

9858925 is a deficient number, since it is larger than the sum of its proper divisors (2366173).

9858925 is a wasteful number, since it uses less digits than its factorization.

9858925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394367 (or 394362 counting only the distinct ones).

The product of its digits is 259200, while the sum is 46.

The square root of 9858925 is about 3139.8925140839. The cubic root of 9858925 is about 214.4255441854.

The spelling of 9858925 in words is "nine million, eight hundred fifty-eight thousand, nine hundred twenty-five".