3840212 has 6 divisors (see below), whose sum is σ = 6720378. Its totient is φ = 1920104.

The previous prime is 3840211. The next prime is 3840227. The reversal of 3840212 is 2120483.

3840212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3740356 + 99856 = 1934^2 + 316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3840211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480023 + ... + 480030.

It is an arithmetic number, because the mean of its divisors is an integer number (1120063).

Almost surely, 2^3840212 is an apocalyptic number.

It is an amenable number.

3840212 is a deficient number, since it is larger than the sum of its proper divisors (2880166).

3840212 is a wasteful number, since it uses less digits than its factorization.

3840212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960057 (or 960055 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 3840212 is about 1959.6458863785. The cubic root of 3840212 is about 156.5975873713.

Adding to 3840212 its reverse (2120483), we get a palindrome (5960695).

The spelling of 3840212 in words is "three million, eight hundred forty thousand, two hundred twelve".