41987881 has 12 divisors (see below), whose sum is σ = 46247760. Its totient is φ = 38092080.

The previous prime is 41987879. The next prime is 41987887. The reversal of 41987881 is 18878914.

It is not a de Polignac number, because 41987881 - 2¹ = 41987879 is a prime.

It is a super-2 number, since 2×41987881² = 3525964301740322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (41987887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7866 + ... + 12076.

It is an arithmetic number, because the mean of its divisors is an integer number (3853980).

Almost surely, 2^41987881 is an apocalyptic number.

It is an amenable number.

41987881 is a deficient number, since it is larger than the sum of its proper divisors (4259879).

41987881 is a wasteful number, since it uses less digits than its factorization.

41987881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4296 (or 4283 counting only the distinct ones).

The product of its digits is 129024, while the sum is 46.

The square root of 41987881 is about 6479.8056298009. The cubic root of 41987881 is about 347.5692279654.

The spelling of 41987881 in words is "forty-one million, nine hundred eighty-seven thousand, eight hundred eighty-one".