8439241 has 2 divisors, whose sum is σ = 8439242. Its totient is φ = 8439240.

The previous prime is 8439217. The next prime is 8439251. The reversal of 8439241 is 1429348.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8410000 + 29241 = 2900^2 + 171^2 .

It is a cyclic number.

It is not a de Polignac number, because 8439241 - 2⁵ = 8439209 is a prime.

8439241 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8439251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4219620 + 4219621.

It is an arithmetic number, because the mean of its divisors is an integer number (4219621).

Almost surely, 2^8439241 is an apocalyptic number.

It is an amenable number.

8439241 is a deficient number, since it is larger than the sum of its proper divisors (1).

8439241 is an equidigital number, since it uses as much as digits as its factorization.

8439241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 8439241 is about 2905.0371770427. The cubic root of 8439241 is about 203.5953226552.

The spelling of 8439241 in words is "eight million, four hundred thirty-nine thousand, two hundred forty-one".