4219628 has 24 divisors (see below), whose sum is σ = 8669472. Its totient is φ = 1759104.

The previous prime is 4219609. The next prime is 4219651. The reversal of 4219628 is 8269124.

It is a junction number, because it is equal to n+sod(n) for n = 4219594 and 4219603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001 + ... + 3072.

It is an arithmetic number, because the mean of its divisors is an integer number (361228).

Almost surely, 2^4219628 is an apocalyptic number.

It is an amenable number.

4219628 is an abundant number, since it is smaller than the sum of its proper divisors (4449844).

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

4219628 is a wasteful number, since it uses less digits than its factorization.

4219628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121 (or 4119 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 4219628 is about 2054.1733130386. The cubic root of 4219628 is about 161.5938104187.

It can be divided in two parts, 42196 and 28, that added together give a palindrome (42224).

The spelling of 4219628 in words is "four million, two hundred nineteen thousand, six hundred twenty-eight".