9990175 has 24 divisors (see below), whose sum is σ = 13592880. Its totient is φ = 7238400.

The previous prime is 9990163. The next prime is 9990187. The reversal of 9990175 is 5710999.

It is an interprime number because it is at equal distance from previous prime (9990163) and next prime (9990187).

It is not a de Polignac number, because 9990175 - 2⁷ = 9990047 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 18915 + ... + 19435.

It is an arithmetic number, because the mean of its divisors is an integer number (566370).

Almost surely, 2^9990175 is an apocalyptic number.

9990175 is a deficient number, since it is larger than the sum of its proper divisors (3602705).

9990175 is a wasteful number, since it uses less digits than its factorization.

9990175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 40.

The square root of 9990175 is about 3160.7238095095. The cubic root of 9990175 is about 215.3728881468.

The spelling of 9990175 in words is "nine million, nine hundred ninety thousand, one hundred seventy-five".