41986081 has 4 divisors (see below), whose sum is σ = 42002500. Its totient is φ = 41969664.

The previous prime is 41986031. The next prime is 41986099. The reversal of 41986081 is 18068914.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23193856 + 18792225 = 4816^2 + 4335^2 .

It is a cyclic number.

It is not a de Polignac number, because 41986081 - 2¹³ = 41977889 is a prime.

It is a super-2 number, since 2×41986081² = 3525661995477122, which contains 22 as substring.

It is a deceptive number, since it divides R_41986080.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41986081.

It is not an unprimeable number, because it can be changed into a prime (41986001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3456 + ... + 9793.

It is an arithmetic number, because the mean of its divisors is an integer number (10500625).

Almost surely, 2^41986081 is an apocalyptic number.

It is an amenable number.

41986081 is a deficient number, since it is larger than the sum of its proper divisors (16419).

41986081 is a wasteful number, since it uses less digits than its factorization.

41986081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16418.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 41986081 is about 6479.6667352573. Note that the first 3 decimals coincide. The cubic root of 41986081 is about 347.5642611866.

The spelling of 41986081 in words is "forty-one million, nine hundred eighty-six thousand, eighty-one".