3421628 has 12 divisors (see below), whose sum is σ = 6843312. Its totient is φ = 1466400.

The previous prime is 3421603. The next prime is 3421631. The reversal of 3421628 is 8261243.

3421628 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

3421628 is an admirable number.

3421628 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 3421597 and 3421606.

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, 61073 + ... + 61128.

It is an arithmetic number, because the mean of its divisors is an integer number (570276).

Almost surely, 2^3421628 is an apocalyptic number.

It is an amenable number.

3421628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3421628 is a wasteful number, since it uses less digits than its factorization.

3421628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122212 (or 122210 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 3421628 is about 1849.7643093108. The cubic root of 3421628 is about 150.6876281519.

The spelling of 3421628 in words is "three million, four hundred twenty-one thousand, six hundred twenty-eight".