9001116 has 18 divisors (see below), whose sum is σ = 22752912. Its totient is φ = 3000360.

The previous prime is 9001093. The next prime is 9001121. The reversal of 9001116 is 6111009.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent 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, 124980 + ... + 125051.

Almost surely, 2^9001116 is an apocalyptic number.

It is an amenable number.

9001116 is an abundant number, since it is smaller than the sum of its proper divisors (13751796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9001116 is a wasteful number, since it uses less digits than its factorization.

9001116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250041 (or 250036 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 9001116 is about 3000.1859942344. The cubic root of 9001116 is about 208.0169796296.

It can be divided in two parts, 900 and 1116, that added together give a triangular number (2016 = T₆₃).

The spelling of 9001116 in words is "nine million, one thousand, one hundred sixteen".