2048091 has 4 divisors (see below), whose sum is σ = 2730792. Its totient is φ = 1365392.

The previous prime is 2048063. The next prime is 2048107. The reversal of 2048091 is 1908402.

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

It is a cyclic number.

It is not a de Polignac number, because 2048091 - 2⁶ = 2048027 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2048021) by changing a digit.

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, 341346 + ... + 341351.

It is an arithmetic number, because the mean of its divisors is an integer number (682698).

2^2048091 is an apocalyptic number.

2048091 is a deficient number, since it is larger than the sum of its proper divisors (682701).

2048091 is an equidigital number, since it uses as much as digits as its factorization.

2048091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682700.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2048091 is about 1431.1152993382. The cubic root of 2048091 is about 126.9939650345.

The spelling of 2048091 in words is "two million, forty-eight thousand, ninety-one".