3881212 has 6 divisors (see below), whose sum is σ = 6792128. Its totient is φ = 1940604.

The previous prime is 3881209. The next prime is 3881221. The reversal of 3881212 is 2121883.

3881212 is a modest number, since divided by 1212 gives 388 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485148 + ... + 485155.

Almost surely, 2^3881212 is an apocalyptic number.

It is an amenable number.

3881212 is a deficient number, since it is larger than the sum of its proper divisors (2910916).

3881212 is a wasteful number, since it uses less digits than its factorization.

3881212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970307 (or 970305 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 3881212 is about 1970.0791862258. The cubic root of 3881212 is about 157.1529200955.

It can be divided in two parts, 388 and 1212, that added together give a square (1600 = 40²).

The spelling of 3881212 in words is "three million, eight hundred eighty-one thousand, two hundred twelve".