4556428 has 24 divisors (see below), whose sum is σ = 8467200. Its totient is φ = 2139408.

The previous prime is 4556423. The next prime is 4556437. The reversal of 4556428 is 8246554.

It is a super-2 number, since 2×4556428² = 41522072238368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4556393 and 4556402.

It is not an unprimeable number, because it can be changed into a prime (4556423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12513 + ... + 12871.

It is an arithmetic number, because the mean of its divisors is an integer number (352800).

Almost surely, 2^4556428 is an apocalyptic number.

It is an amenable number.

4556428 is a deficient number, since it is larger than the sum of its proper divisors (3910772).

4556428 is a wasteful number, since it uses less digits than its factorization.

4556428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 547 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 4556428 is about 2134.5791154230. The cubic root of 4556428 is about 165.7835762835.

The spelling of 4556428 in words is "four million, five hundred fifty-six thousand, four hundred twenty-eight".