3421212 has 12 divisors (see below), whose sum is σ = 7982856. Its totient is φ = 1140400.

The previous prime is 3421193. The next prime is 3421219. The reversal of 3421212 is 2121243.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 3421191 and 3421200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421219) 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, 142539 + ... + 142562.

It is an arithmetic number, because the mean of its divisors is an integer number (665238).

Almost surely, 2^3421212 is an apocalyptic number.

It is an amenable number.

3421212 is an abundant number, since it is smaller than the sum of its proper divisors (4561644).

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

3421212 is a wasteful number, since it uses less digits than its factorization.

3421212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285108 (or 285106 counting only the distinct ones).

The product of its digits is 96, while the sum is 15.

The square root of 3421212 is about 1849.6518591346. The cubic root of 3421212 is about 150.6815210596.

Adding to 3421212 its reverse (2121243), we get a palindrome (5542455).

The spelling of 3421212 in words is "three million, four hundred twenty-one thousand, two hundred twelve".