2791191 has 8 divisors (see below), whose sum is σ = 4007920. Its totient is φ = 1717632.

The previous prime is 2791183. The next prime is 2791193. The reversal of 2791191 is 1911972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2791191 - 2³ = 2791183 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 (2791193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35746 + ... + 35823.

It is an arithmetic number, because the mean of its divisors is an integer number (500990).

2^2791191 is an apocalyptic number.

2791191 is a deficient number, since it is larger than the sum of its proper divisors (1216729).

2791191 is a wasteful number, since it uses less digits than its factorization.

2791191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71585.

The product of its digits is 1134, while the sum is 30.

The square root of 2791191 is about 1670.6857873341. The cubic root of 2791191 is about 140.7980106630.

The spelling of 2791191 in words is "two million, seven hundred ninety-one thousand, one hundred ninety-one".