41864839 has 2 divisors, whose sum is σ = 41864840. Its totient is φ = 41864838.

The previous prime is 41864821. The next prime is 41864861. The reversal of 41864839 is 93846814.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41864839 - 2¹¹ = 41862791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41864795 and 41864804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41864819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20932419 + 20932420.

It is an arithmetic number, because the mean of its divisors is an integer number (20932420).

Almost surely, 2^41864839 is an apocalyptic number.

41864839 is a deficient number, since it is larger than the sum of its proper divisors (1).

41864839 is an equidigital number, since it uses as much as digits as its factorization.

41864839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 43.

The square root of 41864839 is about 6470.3043977853. The cubic root of 41864839 is about 347.2293882008.

It can be divided in two parts, 4186 and 4839, that added together give a square (9025 = 95²).

The spelling of 41864839 in words is "forty-one million, eight hundred sixty-four thousand, eight hundred thirty-nine".