3821211 has 12 divisors (see below), whose sum is σ = 5602792. Its totient is φ = 2509056.

The previous prime is 3821203. The next prime is 3821219. The reversal of 3821211 is 1121283.

It is an interprime number because it is at equal distance from previous prime (3821203) and next prime (3821219).

It is not a de Polignac number, because 3821211 - 2³ = 3821203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3821219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2566 + ... + 3771.

Almost surely, 2^3821211 is an apocalyptic number.

3821211 is a deficient number, since it is larger than the sum of its proper divisors (1781581).

3821211 is a wasteful number, since it uses less digits than its factorization.

3821211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410 (or 6407 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 3821211 is about 1954.7918047710. The cubic root of 3821211 is about 156.3388836152.

Adding to 3821211 its reverse (1121283), we get a palindrome (4942494).

The spelling of 3821211 in words is "three million, eight hundred twenty-one thousand, two hundred eleven".