839244061 has 2 divisors, whose sum is σ = 839244062. Its totient is φ = 839244060.

The previous prime is 839244031. The next prime is 839244071. The reversal of 839244061 is 160442938.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 697276836 + 141967225 = 26406^2 + 11915^2 .

It is a cyclic number.

It is not a de Polignac number, because 839244061 - 2¹⁵ = 839211293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 839244061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (839244001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419622030 + 419622031.

It is an arithmetic number, because the mean of its divisors is an integer number (419622031).

Almost surely, 2^839244061 is an apocalyptic number.

It is an amenable number.

839244061 is a deficient number, since it is larger than the sum of its proper divisors (1).

839244061 is an equidigital number, since it uses as much as digits as its factorization.

839244061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 839244061 is about 28969.7093703061. The cubic root of 839244061 is about 943.2556723169.

Adding to 839244061 its reverse (160442938), we get a palindrome (999686999).

The spelling of 839244061 in words is "eight hundred thirty-nine million, two hundred forty-four thousand, sixty-one".