3421408 has 24 divisors (see below), whose sum is σ = 6955200. Its totient is φ = 1655040.

The previous prime is 3421399. The next prime is 3421417. The reversal of 3421408 is 8041243.

It is an interprime number because it is at equal distance from previous prime (3421399) and next prime (3421417).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733 + ... + 2716.

It is an arithmetic number, because the mean of its divisors is an integer number (289800).

Almost surely, 2^3421408 is an apocalyptic number.

It is an amenable number.

3421408 is an abundant number, since it is smaller than the sum of its proper divisors (3533792).

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

3421408 is a wasteful number, since it uses less digits than its factorization.

3421408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3490 (or 3482 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 3421408 is about 1849.7048413193. The cubic root of 3421408 is about 150.6843985013.

The spelling of 3421408 in words is "three million, four hundred twenty-one thousand, four hundred eight".