2798827 has 4 divisors (see below), whose sum is σ = 2863960. Its totient is φ = 2733696.

The previous prime is 2798821. The next prime is 2798837. The reversal of 2798827 is 7288972.

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 2798827 - 2¹¹ = 2796779 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 65089 = 2798827 / (2 + 7 + 9 + 8 + 8 + 2 + 7).

It is a d-powerful number, because it can be written as 2⁷ + 7² + 9⁵ + 8³ + 8⁷ + 2¹⁹ + 7⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2798821) 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, 32502 + ... + 32587.

It is an arithmetic number, because the mean of its divisors is an integer number (715990).

2^2798827 is an apocalyptic number.

2798827 is a deficient number, since it is larger than the sum of its proper divisors (65133).

2798827 is an equidigital number, since it uses as much as digits as its factorization.

2798827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65132.

The product of its digits is 112896, while the sum is 43.

The square root of 2798827 is about 1672.9695155621. The cubic root of 2798827 is about 140.9262897936.

The spelling of 2798827 in words is "two million, seven hundred ninety-eight thousand, eight hundred twenty-seven".