3421688 has 8 divisors (see below), whose sum is σ = 6415680. Its totient is φ = 1710840.

The previous prime is 3421679. The next prime is 3421699. The reversal of 3421688 is 8861243.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213848 + ... + 213863.

It is an arithmetic number, because the mean of its divisors is an integer number (801960).

Almost surely, 2^3421688 is an apocalyptic number.

It is an amenable number.

3421688 is a deficient number, since it is larger than the sum of its proper divisors (2993992).

3421688 is a wasteful number, since it uses less digits than its factorization.

3421688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427717 (or 427713 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 3421688 is about 1849.7805275221. The cubic root of 3421688 is about 150.6885089417.

The spelling of 3421688 in words is "three million, four hundred twenty-one thousand, six hundred eighty-eight".