3421812 has 12 divisors (see below), whose sum is σ = 7984256. Its totient is φ = 1140600.

The previous prime is 3421807. The next prime is 3421813. The reversal of 3421812 is 2181243.

3421812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421813) 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 in 3 ways as a sum of consecutive naturals, for example, 142564 + ... + 142587.

Almost surely, 2^3421812 is an apocalyptic number.

It is an amenable number.

3421812 is an abundant number, since it is smaller than the sum of its proper divisors (4562444).

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

3421812 is a wasteful number, since it uses less digits than its factorization.

3421812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285158 (or 285156 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 3421812 is about 1849.8140447083. The cubic root of 3421812 is about 150.6903292079.

The spelling of 3421812 in words is "three million, four hundred twenty-one thousand, eight hundred twelve".