4566520 has 64 divisors (see below), whose sum is σ = 12026880. Its totient is φ = 1527936.

The previous prime is 4566491. The next prime is 4566553. The reversal of 4566520 is 256654.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12987 + ... + 13333.

It is an arithmetic number, because the mean of its divisors is an integer number (187920).

Almost surely, 2^4566520 is an apocalyptic number.

4566520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4566520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6013440).

4566520 is an abundant number, since it is smaller than the sum of its proper divisors (7460360).

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

4566520 is a wasteful number, since it uses less digits than its factorization.

4566520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 4566520 is about 2136.9417399639. The cubic root of 4566520 is about 165.9058836503.

The spelling of 4566520 in words is "four million, five hundred sixty-six thousand, five hundred twenty".