4528428 has 12 divisors (see below), whose sum is σ = 10566360. Its totient is φ = 1509472.

The previous prime is 4528421. The next prime is 4528429. The reversal of 4528428 is 8248254.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (4528421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188673 + ... + 188696.

It is an arithmetic number, because the mean of its divisors is an integer number (880530).

Almost surely, 2^4528428 is an apocalyptic number.

It is an amenable number.

4528428 is an abundant number, since it is smaller than the sum of its proper divisors (6037932).

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

4528428 is a wasteful number, since it uses less digits than its factorization.

4528428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377376 (or 377374 counting only the distinct ones).

The product of its digits is 20480, while the sum is 33.

The square root of 4528428 is about 2128.0103383208. The cubic root of 4528428 is about 165.4432891677.

The spelling of 4528428 in words is "four million, five hundred twenty-eight thousand, four hundred twenty-eight".