4209628 has 12 divisors (see below), whose sum is σ = 7385392. Its totient is φ = 2099520.

The previous prime is 4209617. The next prime is 4209629. The reversal of 4209628 is 8269024.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4209628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4209629) 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 3 ways as a sum of consecutive naturals, for example, 868 + ... + 3028.

Almost surely, 2^4209628 is an apocalyptic number.

It is an amenable number.

4209628 is a deficient number, since it is larger than the sum of its proper divisors (3175764).

4209628 is a wasteful number, since it uses less digits than its factorization.

4209628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652 (or 2650 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 4209628 is about 2051.7378000125. The cubic root of 4209628 is about 161.4660569523.

It can be divided in two parts, 42096 and 28, that added together give a palindrome (42124).

The spelling of 4209628 in words is "four million, two hundred nine thousand, six hundred twenty-eight".