41406439 has 2 divisors, whose sum is σ = 41406440. Its totient is φ = 41406438.

The previous prime is 41406427. The next prime is 41406479. The reversal of 41406439 is 93460414.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41406439 - 2⁹ = 41405927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41406439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41406479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20703219 + 20703220.

It is an arithmetic number, because the mean of its divisors is an integer number (20703220).

Almost surely, 2^41406439 is an apocalyptic number.

41406439 is a deficient number, since it is larger than the sum of its proper divisors (1).

41406439 is an equidigital number, since it uses as much as digits as its factorization.

41406439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 41406439 is about 6434.7835239424. The cubic root of 41406439 is about 345.9574022870.

The spelling of 41406439 in words is "forty-one million, four hundred six thousand, four hundred thirty-nine".