2798311 has 8 divisors (see below), whose sum is σ = 2914560. Its totient is φ = 2684472.

The previous prime is 2798303. The next prime is 2798317. The reversal of 2798311 is 1138972.

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 2798311 - 2³ = 2798303 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 (2798317) 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, 1986 + ... + 3088.

It is an arithmetic number, because the mean of its divisors is an integer number (364320).

2^2798311 is an apocalyptic number.

2798311 is a deficient number, since it is larger than the sum of its proper divisors (116249).

2798311 is a wasteful number, since it uses less digits than its factorization.

2798311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205.

The product of its digits is 3024, while the sum is 31.

The square root of 2798311 is about 1672.8152916566. The cubic root of 2798311 is about 140.9176287325.

The spelling of 2798311 in words is "two million, seven hundred ninety-eight thousand, three hundred eleven".