3864212 has 24 divisors (see below), whose sum is σ = 7617792. Its totient is φ = 1699200.

The previous prime is 3864197. The next prime is 3864233. The reversal of 3864212 is 2124683.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 53 + ... + 2780.

It is an arithmetic number, because the mean of its divisors is an integer number (317408).

Almost surely, 2^3864212 is an apocalyptic number.

It is an amenable number.

3864212 is a deficient number, since it is larger than the sum of its proper divisors (3753580).

3864212 is a wasteful number, since it uses less digits than its factorization.

3864212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879 (or 2877 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 3864212 is about 1965.7599039557. The cubic root of 3864212 is about 156.9231370824.

Adding to 3864212 its reverse (2124683), we get a palindrome (5988895).

The spelling of 3864212 in words is "three million, eight hundred sixty-four thousand, two hundred twelve".