2090771 has 2 divisors, whose sum is σ = 2090772. Its totient is φ = 2090770.

The previous prime is 2090749. The next prime is 2090791. The reversal of 2090771 is 1770902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2090771 - 2¹⁸ = 1828627 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2090771.

It is not a weakly prime, because it can be changed into another prime (2090791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045385 + 1045386.

It is an arithmetic number, because the mean of its divisors is an integer number (1045386).

2^2090771 is an apocalyptic number.

2090771 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090771 is an equidigital number, since it uses as much as digits as its factorization.

2090771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 2090771 is about 1445.9498608181. The cubic root of 2090771 is about 127.8700463301.

The spelling of 2090771 in words is "two million, ninety thousand, seven hundred seventy-one".