3421866 has 48 divisors (see below), whose sum is σ = 8109504. Its totient is φ = 959616.

The previous prime is 3421861. The next prime is 3421867. The reversal of 3421866 is 6681243.

3421866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 3¹⁰ + 4⁵ + 2¹¹ + 1 + 8³ + 6⁸ + 6⁸ .

It is not an unprimeable number, because it can be changed into a prime (3421861) 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 23 ways as a sum of consecutive naturals, for example, 30226 + ... + 30338.

It is an arithmetic number, because the mean of its divisors is an integer number (168948).

Almost surely, 2^3421866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3421866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4054752).

3421866 is an abundant number, since it is smaller than the sum of its proper divisors (4687638).

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

3421866 is a wasteful number, since it uses less digits than its factorization.

3421866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 228 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 3421866 is about 1849.8286407124. The cubic root of 3421866 is about 150.6911218907.

The spelling of 3421866 in words is "three million, four hundred twenty-one thousand, eight hundred sixty-six".