4565628 has 18 divisors (see below), whose sum is σ = 11540984. Its totient is φ = 1521864.

The previous prime is 4565623. The next prime is 4565629. The reversal of 4565628 is 8265654.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 126823 = 4565628 / (4 + 5 + 6 + 5 + 6 + 2 + 8).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4565592 and 4565601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4565621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63376 + ... + 63447.

Almost surely, 2^4565628 is an apocalyptic number.

It is an amenable number.

4565628 is an abundant number, since it is smaller than the sum of its proper divisors (6975356).

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

4565628 is a wasteful number, since it uses less digits than its factorization.

4565628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126833 (or 126828 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 4565628 is about 2136.7330202906. The cubic root of 4565628 is about 165.8950805526.

It can be divided in two parts, 456 and 5628, that added together give a square (6084 = 78²).

The spelling of 4565628 in words is "four million, five hundred sixty-five thousand, six hundred twenty-eight".