3897211 has 8 divisors (see below), whose sum is σ = 3976544. Its totient is φ = 3818880.

The previous prime is 3897209. The next prime is 3897217. The reversal of 3897211 is 1127983.

3897211 is nontrivially palindromic in base 4.

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 3897211 - 2¹ = 3897209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3897217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16051 + ... + 16291.

It is an arithmetic number, because the mean of its divisors is an integer number (497068).

Almost surely, 2^3897211 is an apocalyptic number.

3897211 is a deficient number, since it is larger than the sum of its proper divisors (79333).

3897211 is a wasteful number, since it uses less digits than its factorization.

3897211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501.

The product of its digits is 3024, while the sum is 31.

The square root of 3897211 is about 1974.1355070005. The cubic root of 3897211 is about 157.3685608700.

It can be divided in two parts, 38972 and 11, that added together give a palindrome (38983).

The spelling of 3897211 in words is "three million, eight hundred ninety-seven thousand, two hundred eleven".