4248839 has 6 divisors (see below), whose sum is σ = 4942584. Its totient is φ = 3641820.

The previous prime is 4248823. The next prime is 4248869. The reversal of 4248839 is 9388424.

It is not a de Polignac number, because 4248839 - 2⁴ = 4248823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4248809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43307 + ... + 43404.

It is an arithmetic number, because the mean of its divisors is an integer number (823764).

Almost surely, 2^4248839 is an apocalyptic number.

4248839 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4248839 is a deficient number, since it is larger than the sum of its proper divisors (693745).

4248839 is an equidigital number, since it uses as much as digits as its factorization.

4248839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86725 (or 86718 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 4248839 is about 2061.2712097150. The cubic root of 4248839 is about 161.9658389586.

The spelling of 4248839 in words is "four million, two hundred forty-eight thousand, eight hundred thirty-nine".