9930185 has 4 divisors (see below), whose sum is σ = 11916228. Its totient is φ = 7944144.

The previous prime is 9930169. The next prime is 9930191. The reversal of 9930185 is 5810399.

9930185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1008016 + 8922169 = 1004^2 + 2987^2 .

It is a cyclic number.

It is not a de Polignac number, because 9930185 - 2⁴ = 9930169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993014 + ... + 993023.

It is an arithmetic number, because the mean of its divisors is an integer number (2979057).

Almost surely, 2^9930185 is an apocalyptic number.

It is an amenable number.

9930185 is a deficient number, since it is larger than the sum of its proper divisors (1986043).

9930185 is a wasteful number, since it uses less digits than its factorization.

9930185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986042.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 9930185 is about 3151.2196051688. The cubic root of 9930185 is about 214.9409248187.

The spelling of 9930185 in words is "nine million, nine hundred thirty thousand, one hundred eighty-five".