2092091 has 4 divisors (see below), whose sum is σ = 2148672. Its totient is φ = 2035512.

The previous prime is 2092073. The next prime is 2092093. The reversal of 2092091 is 1902902.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2092091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2092093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28235 + ... + 28308.

It is an arithmetic number, because the mean of its divisors is an integer number (537168).

2^2092091 is an apocalyptic number.

2092091 is a deficient number, since it is larger than the sum of its proper divisors (56581).

2092091 is an equidigital number, since it uses as much as digits as its factorization.

2092091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56580.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 2092091 is about 1446.4062361591. The cubic root of 2092091 is about 127.8969507516.

Adding to 2092091 its reverse (1902902), we get a palindrome (3994993).

The spelling of 2092091 in words is "two million, ninety-two thousand, ninety-one".