9999027 has 12 divisors (see below), whose sum is σ = 14472640. Its totient is φ = 6652368.

The previous prime is 9998977. The next prime is 9999047. The reversal of 9999027 is 7209999.

It is not a de Polignac number, because 9999027 - 2¹¹ = 9996979 is a prime.

It is an Ulam number.

It is a Duffinian number.

9999027 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9999047) 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 11 ways as a sum of consecutive naturals, for example, 5598 + ... + 7164.

Almost surely, 2^9999027 is an apocalyptic number.

9999027 is a deficient number, since it is larger than the sum of its proper divisors (4473613).

9999027 is a wasteful number, since it uses less digits than its factorization.

9999027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282 (or 2279 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The square root of 9999027 is about 3162.1238116178. The cubic root of 9999027 is about 215.4364812267.

The spelling of 9999027 in words is "nine million, nine hundred ninety-nine thousand, twenty-seven".