3421908 has 72 divisors (see below), whose sum is σ = 10180352. Its totient is φ = 948672.

The previous prime is 3421907. The next prime is 3421921. The reversal of 3421908 is 8091243.

3421908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421903) 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, 9141 + ... + 9507.

Almost surely, 2^3421908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3421908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5090176).

3421908 is an abundant number, since it is smaller than the sum of its proper divisors (6758444).

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

3421908 is a wasteful number, since it uses less digits than its factorization.

3421908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3421908 is about 1849.8399930805. The cubic root of 3421908 is about 150.6917384161.

The spelling of 3421908 in words is "three million, four hundred twenty-one thousand, nine hundred eight".