2011086 has 48 divisors (see below), whose sum is σ = 5436288. Its totient is φ = 522000.

The previous prime is 2011081. The next prime is 2011099. The reversal of 2011086 is 6801102.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 661 + ... + 2111.

It is an arithmetic number, because the mean of its divisors is an integer number (113256).

2^2011086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2718144).

2011086 is an abundant number, since it is smaller than the sum of its proper divisors (3425202).

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

2011086 is a wasteful number, since it uses less digits than its factorization.

2011086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477 (or 1474 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 2011086 is about 1418.1276388252. The cubic root of 2011086 is about 126.2244676009.

Adding to 2011086 its reverse (6801102), we get a palindrome (8812188).

The spelling of 2011086 in words is "two million, eleven thousand, eighty-six".