9999011 has 8 divisors (see below), whose sum is σ = 10941744. Its totient is φ = 9061920.

The previous prime is 9998977. The next prime is 9999047. The reversal of 9999011 is 1109999.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9999011 - 2¹⁰ = 9997987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9999071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2885 + ... + 5321.

It is an arithmetic number, because the mean of its divisors is an integer number (1367718).

Almost surely, 2^9999011 is an apocalyptic number.

9999011 is a deficient number, since it is larger than the sum of its proper divisors (942733).

9999011 is a wasteful number, since it uses less digits than its factorization.

9999011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821.

The product of its (nonzero) digits is 6561, while the sum is 38.

The square root of 9999011 is about 3162.1212816715. The cubic root of 9999011 is about 215.4363663160.

It can be divided in two parts, 99990 and 11, that added together give a palindrome (100001).

The spelling of 9999011 in words is "nine million, nine hundred ninety-nine thousand, eleven".