7288849 has 2 divisors, whose sum is σ = 7288850. Its totient is φ = 7288848.

The previous prime is 7288843. The next prime is 7288877. The reversal of 7288849 is 9488827.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7102225 + 186624 = 2665^2 + 432^2 .

It is a cyclic number.

It is not a de Polignac number, because 7288849 - 2⁵ = 7288817 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7288799 and 7288808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7288843) 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 as a sum of consecutive naturals, namely, 3644424 + 3644425.

It is an arithmetic number, because the mean of its divisors is an integer number (3644425).

Almost surely, 2^7288849 is an apocalyptic number.

It is an amenable number.

7288849 is a deficient number, since it is larger than the sum of its proper divisors (1).

7288849 is an equidigital number, since it uses as much as digits as its factorization.

7288849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 46.

The square root of 7288849 is about 2699.7868434378. The cubic root of 7288849 is about 193.8889168154. Note that the first 3 decimals are identical.

The spelling of 7288849 in words is "seven million, two hundred eighty-eight thousand, eight hundred forty-nine".