2801191 has 8 divisors (see below), whose sum is σ = 2921600. Its totient is φ = 2682720.

The previous prime is 2801179. The next prime is 2801219. The reversal of 2801191 is 1911082.

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

It is a cyclic number.

It is not a de Polignac number, because 2801191 - 2¹¹ = 2799143 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 (2801111) 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 7 ways as a sum of consecutive naturals, for example, 2965 + ... + 3793.

It is an arithmetic number, because the mean of its divisors is an integer number (365200).

2^2801191 is an apocalyptic number.

2801191 is a deficient number, since it is larger than the sum of its proper divisors (120409).

2801191 is a wasteful number, since it uses less digits than its factorization.

2801191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 2801191 is about 1673.6758945507. The cubic root of 2801191 is about 140.9659559342.

It can be divided in two parts, 2801 and 191, that added together give a palindrome (2992).

The spelling of 2801191 in words is "two million, eight hundred one thousand, one hundred ninety-one".