2798847 has 16 divisors (see below), whose sum is σ = 4327680. Its totient is φ = 1784376.

The previous prime is 2798837. The next prime is 2798849. The reversal of 2798847 is 7488972.

It is not a de Polignac number, because 2798847 - 2²⁰ = 1750271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1633 + ... + 2874.

It is an arithmetic number, because the mean of its divisors is an integer number (270480).

2^2798847 is an apocalyptic number.

2798847 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2798847 is a deficient number, since it is larger than the sum of its proper divisors (1528833).

2798847 is a wasteful number, since it uses less digits than its factorization.

2798847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539 (or 4533 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 2798847 is about 1672.9754929466. The cubic root of 2798847 is about 140.9266254722.

The spelling of 2798847 in words is "two million, seven hundred ninety-eight thousand, eight hundred forty-seven".