4544820 has 72 divisors (see below), whose sum is σ = 15759744. Its totient is φ = 1038528.

The previous prime is 4544779. The next prime is 4544833. The reversal of 4544820 is 284454.

4544820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 3.

It is a congruent number.

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, 544 + ... + 3063.

Almost surely, 2^4544820 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 4544820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7879872).

4544820 is an abundant number, since it is smaller than the sum of its proper divisors (11214924).

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

4544820 is a wasteful number, since it uses less digits than its factorization.

4544820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3629 (or 3624 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 4544820 is about 2131.8583442621. The cubic root of 4544820 is about 165.6426726129.

The spelling of 4544820 in words is "four million, five hundred forty-four thousand, eight hundred twenty".