41239439 has 2 divisors, whose sum is σ = 41239440. Its totient is φ = 41239438.

The previous prime is 41239417. The next prime is 41239441. The reversal of 41239439 is 93493214.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41239439 - 2¹⁶ = 41173903 is a prime.

Together with 41239441, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 41239399 and 41239408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41239409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20619719 + 20619720.

It is an arithmetic number, because the mean of its divisors is an integer number (20619720).

Almost surely, 2^41239439 is an apocalyptic number.

41239439 is a deficient number, since it is larger than the sum of its proper divisors (1).

41239439 is an equidigital number, since it uses as much as digits as its factorization.

41239439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 41239439 is about 6421.7940639669. The cubic root of 41239439 is about 345.4916717192.

The spelling of 41239439 in words is "forty-one million, two hundred thirty-nine thousand, four hundred thirty-nine".