248839 has 2 divisors, whose sum is σ = 248840. Its totient is φ = 248838.

The previous prime is 248827. The next prime is 248851. The reversal of 248839 is 938842.

248839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (248827) and next prime (248851).

It is a cyclic number.

It is not a de Polignac number, because 248839 - 2¹⁵ = 216071 is a prime.

248839 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124419 + 124420.

It is an arithmetic number, because the mean of its divisors is an integer number (124420).

248839 is a Friedman number, since it can be written as 9+(8+4)^(8-3)-2, using all its digits and the basic arithmetic operations.

2²⁴⁸⁸³⁹ is an apocalyptic number.

248839 is a deficient number, since it is larger than the sum of its proper divisors (1).

248839 is an equidigital number, since it uses as much as digits as its factorization.

248839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 248839 is about 498.8376489400. The cubic root of 248839 is about 62.8983832571.

It can be divided in two parts, 2 and 48839, that added together give a square (48841 = 221²).

The spelling of 248839 in words is "two hundred forty-eight thousand, eight hundred thirty-nine".