41863909 has 8 divisors (see below), whose sum is σ = 43481880. Its totient is φ = 40271616.

The previous prime is 41863903. The next prime is 41863937. The reversal of 41863909 is 90936814.

It can be written as a sum of positive squares in 4 ways, for example, as 18679684 + 23184225 = 4322^2 + 4815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41863909 - 2⁷ = 41863781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41863903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3064 + ... + 9649.

It is an arithmetic number, because the mean of its divisors is an integer number (5435235).

Almost surely, 2^41863909 is an apocalyptic number.

It is an amenable number.

41863909 is a deficient number, since it is larger than the sum of its proper divisors (1617971).

41863909 is a wasteful number, since it uses less digits than its factorization.

41863909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12839.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 41863909 is about 6470.2325305973. The cubic root of 41863909 is about 347.2268170239.

The spelling of 41863909 in words is "forty-one million, eight hundred sixty-three thousand, nine hundred nine".