3873211 has 4 divisors (see below), whose sum is σ = 4006800. Its totient is φ = 3739624.

The previous prime is 3873209. The next prime is 3873239. The reversal of 3873211 is 1123783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1123783 = 241 ⋅4663.

It is a cyclic number.

It is not a de Polignac number, because 3873211 - 2¹ = 3873209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3873281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66751 + ... + 66808.

It is an arithmetic number, because the mean of its divisors is an integer number (1001700).

Almost surely, 2^3873211 is an apocalyptic number.

3873211 is a deficient number, since it is larger than the sum of its proper divisors (133589).

3873211 is a wasteful number, since it uses less digits than its factorization.

3873211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133588.

The product of its digits is 1008, while the sum is 25.

The square root of 3873211 is about 1968.0475095891. The cubic root of 3873211 is about 157.0448571569.

Adding to 3873211 its reverse (1123783), we get a palindrome (4996994).

The spelling of 3873211 in words is "three million, eight hundred seventy-three thousand, two hundred eleven".