4528660 has 12 divisors (see below), whose sum is σ = 9510228. Its totient is φ = 1811456.

The previous prime is 4528633. The next prime is 4528661. The reversal of 4528660 is 668254.

It can be written as a sum of positive squares in 2 ways, for example, as 3196944 + 1331716 = 1788^2 + 1154^2 .

It is a super-2 number, since 2×4528660² = 41017522791200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4528661) 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, 113197 + ... + 113236.

It is an arithmetic number, because the mean of its divisors is an integer number (792519).

Almost surely, 2^4528660 is an apocalyptic number.

It is an amenable number.

4528660 is an abundant number, since it is smaller than the sum of its proper divisors (4981568).

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

4528660 is a wasteful number, since it uses less digits than its factorization.

4528660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226442 (or 226440 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 4528660 is about 2128.0648486360. The cubic root of 4528660 is about 165.4461144445.

The spelling of 4528660 in words is "four million, five hundred twenty-eight thousand, six hundred sixty".