2799191 has 4 divisors (see below), whose sum is σ = 2805384. Its totient is φ = 2793000.

The previous prime is 2799187. The next prime is 2799197. The reversal of 2799191 is 1919972.

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 2799191 - 2² = 2799187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2799197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2360 + ... + 3341.

It is an arithmetic number, because the mean of its divisors is an integer number (701346).

2^2799191 is an apocalyptic number.

2799191 is a deficient number, since it is larger than the sum of its proper divisors (6193).

2799191 is an equidigital number, since it uses as much as digits as its factorization.

2799191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6192.

The product of its digits is 10206, while the sum is 38.

The square root of 2799191 is about 1673.0783006184. The cubic root of 2799191 is about 140.9323988940.

It can be divided in two parts, 27991 and 91, that added together give a palindrome (28082).

The spelling of 2799191 in words is "two million, seven hundred ninety-nine thousand, one hundred ninety-one".