3868212 has 12 divisors (see below), whose sum is σ = 9025856. Its totient is φ = 1289400.

The previous prime is 3868201. The next prime is 3868213. The reversal of 3868212 is 2128683.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 3868212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868213) 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, 161164 + ... + 161187.

Almost surely, 2^3868212 is an apocalyptic number.

It is an amenable number.

3868212 is an abundant number, since it is smaller than the sum of its proper divisors (5157644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3868212 is a wasteful number, since it uses less digits than its factorization.

3868212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322358 (or 322356 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 3868212 is about 1966.7770590486. Note that the first 3 decimals coincide. The cubic root of 3868212 is about 156.9772642101.

The spelling of 3868212 in words is "three million, eight hundred sixty-eight thousand, two hundred twelve".