9958825 has 6 divisors (see below), whose sum is σ = 12348974. Its totient is φ = 7967040.

The previous prime is 9958807. The next prime is 9958841. The reversal of 9958825 is 5288599.

It can be written as a sum of positive squares in 3 ways, for example, as 2663424 + 7295401 = 1632^2 + 2701^2 .

It is not a de Polignac number, because 9958825 - 2¹⁵ = 9926057 is a prime.

It is a Duffinian number.

9958825 is a lucky 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, 199152 + ... + 199201.

Almost surely, 2^9958825 is an apocalyptic number.

It is an amenable number.

9958825 is a deficient number, since it is larger than the sum of its proper divisors (2390149).

9958825 is a wasteful number, since it uses less digits than its factorization.

9958825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398363 (or 398358 counting only the distinct ones).

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

The square root of 9958825 is about 3155.7606056227. The cubic root of 9958825 is about 215.1473660681.

The spelling of 9958825 in words is "nine million, nine hundred fifty-eight thousand, eight hundred twenty-five".