41636621 has 8 divisors (see below), whose sum is σ = 47477304. Its totient is φ = 36172800.

The previous prime is 41636611. The next prime is 41636669. The reversal of 41636621 is 12663614.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 98596 + 41538025 = 314^2 + 6445^2 .

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 41636621 - 2¹⁰ = 41635597 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 (41636611) 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, 93980 + ... + 94421.

It is an arithmetic number, because the mean of its divisors is an integer number (5934663).

Almost surely, 2^41636621 is an apocalyptic number.

It is an amenable number.

41636621 is a deficient number, since it is larger than the sum of its proper divisors (5840683).

41636621 is a wasteful number, since it uses less digits than its factorization.

41636621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188431.

The product of its digits is 5184, while the sum is 29.

The square root of 41636621 is about 6452.6444966386. The cubic root of 41636621 is about 346.5972871307.

The spelling of 41636621 in words is "forty-one million, six hundred thirty-six thousand, six hundred twenty-one".