41818821 has 8 divisors (see below), whose sum is σ = 60827424. Its totient is φ = 25344720.

The previous prime is 41818817. The next prime is 41818837. The reversal of 41818821 is 12881814.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 41818821 - 2² = 41818817 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1267237 = 41818821 / (4 + 1 + 8 + 1 + 8 + 8 + 2 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41818801) 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, 633586 + ... + 633651.

It is an arithmetic number, because the mean of its divisors is an integer number (7603428).

Almost surely, 2^41818821 is an apocalyptic number.

It is an amenable number.

41818821 is a deficient number, since it is larger than the sum of its proper divisors (19008603).

41818821 is a wasteful number, since it uses less digits than its factorization.

41818821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267251.

The product of its digits is 4096, while the sum is 33.

The square root of 41818821 is about 6466.7473276756. The cubic root of 41818821 is about 347.1021162418.

The spelling of 41818821 in words is "forty-one million, eight hundred eighteen thousand, eight hundred twenty-one".