4528530 has 48 divisors (see below), whose sum is σ = 11965824. Its totient is φ = 1188000.

The previous prime is 4528529. The next prime is 4528543. The reversal of 4528530 is 358254.

It is a junction number, because it is equal to n+sod(n) for n = 4528494 and 4528503.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5655 + ... + 6405.

It is an arithmetic number, because the mean of its divisors is an integer number (249288).

Almost surely, 2^4528530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4528530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5982912).

4528530 is an abundant number, since it is smaller than the sum of its proper divisors (7437294).

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

4528530 is a wasteful number, since it uses less digits than its factorization.

4528530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 4528530 is about 2128.0343042348. The cubic root of 4528530 is about 165.4445313272. Note that the first 3 decimals are identical.

The spelling of 4528530 in words is "four million, five hundred twenty-eight thousand, five hundred thirty".