4389628 has 12 divisors (see below), whose sum is σ = 7743232. Its totient is φ = 2177280.

The previous prime is 4389611. The next prime is 4389647. The reversal of 4389628 is 8269834.

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, 3813 + ... + 4828.

Almost surely, 2^4389628 is an apocalyptic number.

It is an amenable number.

4389628 is a deficient number, since it is larger than the sum of its proper divisors (3353604).

4389628 is a wasteful number, since it uses less digits than its factorization.

4389628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8772 (or 8770 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 4389628 is about 2095.1439091385. The cubic root of 4389628 is about 163.7353952361.

The spelling of 4389628 in words is "four million, three hundred eighty-nine thousand, six hundred twenty-eight".