41839681 has 4 divisors (see below), whose sum is σ = 45058132. Its totient is φ = 38621232.

The previous prime is 41839667. The next prime is 41839687. The reversal of 41839681 is 18693814.

41839681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18693814 = 2 ⋅9346907.

It can be written as a sum of positive squares in 2 ways, for example, as 28944400 + 12895281 = 5380^2 + 3591^2 .

It is not a de Polignac number, because 41839681 - 2⁹ = 41839169 is a prime.

It is a super-2 number, since 2×41839681² = 3501117812363522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41839687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1609206 + ... + 1609231.

It is an arithmetic number, because the mean of its divisors is an integer number (11264533).

Almost surely, 2^41839681 is an apocalyptic number.

It is an amenable number.

41839681 is a deficient number, since it is larger than the sum of its proper divisors (3218451).

41839681 is a wasteful number, since it uses less digits than its factorization.

41839681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218450.

The product of its digits is 41472, while the sum is 40.

The square root of 41839681 is about 6468.3599930740. The cubic root of 41839681 is about 347.1598202962.

The spelling of 41839681 in words is "forty-one million, eight hundred thirty-nine thousand, six hundred eighty-one".