4528620 has 72 divisors (see below), whose sum is σ = 13912080. Its totient is φ = 1192320.

The previous prime is 4528609. The next prime is 4528627. The reversal of 4528620 is 268254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4528627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24930 + ... + 25110.

Almost surely, 2^4528620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4528620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6956040).

4528620 is an abundant number, since it is smaller than the sum of its proper divisors (9383460).

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

4528620 is a wasteful number, since it uses less digits than its factorization.

4528620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 4528620 is about 2128.0554504054. The cubic root of 4528620 is about 165.4456273347.

The spelling of 4528620 in words is "four million, five hundred twenty-eight thousand, six hundred twenty".