2802791 has 4 divisors (see below), whose sum is σ = 2813712. Its totient is φ = 2791872.

The previous prime is 2802749. The next prime is 2802797. The reversal of 2802791 is 1972082.

It is a happy number.

2802791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2802791 - 2¹⁰ = 2801767 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 (2802797) 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, 5066 + ... + 5591.

It is an arithmetic number, because the mean of its divisors is an integer number (703428).

2^2802791 is an apocalyptic number.

2802791 is a deficient number, since it is larger than the sum of its proper divisors (10921).

2802791 is a wasteful number, since it uses less digits than its factorization.

2802791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10920.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2802791 is about 1674.1538161113. The cubic root of 2802791 is about 140.9927900678.

The spelling of 2802791 in words is "two million, eight hundred two thousand, seven hundred ninety-one".