2091076 has 12 divisors (see below), whose sum is σ = 3940972. Its totient is φ = 965088.

The previous prime is 2091053. The next prime is 2091097. The reversal of 2091076 is 6701902.

It can be written as a sum of positive squares in 2 ways, for example, as 592900 + 1498176 = 770^2 + 1224^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2091076.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20055 + ... + 20158.

2^2091076 is an apocalyptic number.

2091076 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2091076 is a deficient number, since it is larger than the sum of its proper divisors (1849896).

2091076 is a wasteful number, since it uses less digits than its factorization.

2091076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40230 (or 40228 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 2091076 is about 1446.0553239762. The cubic root of 2091076 is about 127.8762638878.

Adding to 2091076 its reverse (6701902), we get a palindrome (8792978).

The spelling of 2091076 in words is "two million, ninety-one thousand, seventy-six".