3209628 has 12 divisors (see below), whose sum is σ = 7489160. Its totient is φ = 1069872.

The previous prime is 3209623. The next prime is 3209641. The reversal of 3209628 is 8269023.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 3209595 and 3209604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3209621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133723 + ... + 133746.

Almost surely, 2^3209628 is an apocalyptic number.

It is an amenable number.

3209628 is an abundant number, since it is smaller than the sum of its proper divisors (4279532).

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

3209628 is a wasteful number, since it uses less digits than its factorization.

3209628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267476 (or 267474 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3209628 is about 1791.5434686326. The cubic root of 3209628 is about 147.5089030344.

The spelling of 3209628 in words is "three million, two hundred nine thousand, six hundred twenty-eight".