2011090 has 16 divisors (see below), whose sum is σ = 3665088. Its totient is φ = 794416.

The previous prime is 2011081. The next prime is 2011099. The reversal of 2011090 is 901102.

It is an interprime number because it is at equal distance from previous prime (2011081) and next prime (2011099).

It is a self number, because there is not a number n which added to its sum of digits gives 2011090.

It is not an unprimeable number, because it can be changed into a prime (2011099) 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, 382 + ... + 2041.

It is an arithmetic number, because the mean of its divisors is an integer number (229068).

2^2011090 is an apocalyptic number.

2011090 is a deficient number, since it is larger than the sum of its proper divisors (1653998).

2011090 is a wasteful number, since it uses less digits than its factorization.

2011090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 2011090 is about 1418.1290491348. The cubic root of 2011090 is about 126.2245512866.

Adding to 2011090 its reverse (901102), we get a palindrome (2912192).

The spelling of 2011090 in words is "two million, eleven thousand, ninety".