41805684 has 18 divisors (see below), whose sum is σ = 105675570. Its totient is φ = 13935216.

The previous prime is 41805667. The next prime is 41805727. The reversal of 41805684 is 48650814.

It can be written as a sum of positive squares in only one way, i.e., 37088100 + 4717584 = 6090^2 + 2172^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1161269 = 41805684 / (4 + 1 + 8 + 0 + 5 + 6 + 8 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 580599 + ... + 580670.

It is an arithmetic number, because the mean of its divisors is an integer number (5870865).

Almost surely, 2^41805684 is an apocalyptic number.

It is an amenable number.

41805684 is an abundant number, since it is smaller than the sum of its proper divisors (63869886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41805684 is a wasteful number, since it uses less digits than its factorization.

41805684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161279 (or 1161274 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 41805684 is about 6465.7315131391. The cubic root of 41805684 is about 347.0657661172.

The spelling of 41805684 in words is "forty-one million, eight hundred five thousand, six hundred eighty-four".