8211441 has 8 divisors (see below), whose sum is σ = 12512704. Its totient is φ = 4692240.

The previous prime is 8211433. The next prime is 8211457. The reversal of 8211441 is 1441128.

It is a happy number.

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

It is not a de Polignac number, because 8211441 - 2³ = 8211433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 391021 = 8211441 / (8 + 2 + 1 + 1 + 4 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8211421) 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, 195490 + ... + 195531.

It is an arithmetic number, because the mean of its divisors is an integer number (1564088).

Almost surely, 2^8211441 is an apocalyptic number.

It is an amenable number.

8211441 is a deficient number, since it is larger than the sum of its proper divisors (4301263).

8211441 is a wasteful number, since it uses less digits than its factorization.

8211441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391031.

The product of its digits is 256, while the sum is 21.

The square root of 8211441 is about 2865.5612015799. The cubic root of 8211441 is about 201.7467089624.

Adding to 8211441 its reverse (1441128), we get a palindrome (9652569).

The spelling of 8211441 in words is "eight million, two hundred eleven thousand, four hundred forty-one".