2798247 has 4 divisors (see below), whose sum is σ = 3731000. Its totient is φ = 1865496.

The previous prime is 2798233. The next prime is 2798261. The reversal of 2798247 is 7428972.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2798233) and next prime (2798261).

It is not a de Polignac number, because 2798247 - 2⁷ = 2798119 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466372 + ... + 466377.

It is an arithmetic number, because the mean of its divisors is an integer number (932750).

2^2798247 is an apocalyptic number.

2798247 is a deficient number, since it is larger than the sum of its proper divisors (932753).

2798247 is an equidigital number, since it uses as much as digits as its factorization.

2798247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932752.

The product of its digits is 56448, while the sum is 39.

The square root of 2798247 is about 1672.7961621190. The cubic root of 2798247 is about 140.9165544182.

The spelling of 2798247 in words is "two million, seven hundred ninety-eight thousand, two hundred forty-seven".