4549820 has 24 divisors (see below), whose sum is σ = 10423728. Its totient is φ = 1654400.

The previous prime is 4549801. The next prime is 4549841. The reversal of 4549820 is 289454.

4549820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10121 + ... + 10560.

It is an arithmetic number, because the mean of its divisors is an integer number (434322).

Almost surely, 2^4549820 is an apocalyptic number.

It is an amenable number.

4549820 is an abundant number, since it is smaller than the sum of its proper divisors (5873908).

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

4549820 is a wasteful number, since it uses less digits than its factorization.

4549820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20701 (or 20699 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 4549820 is about 2133.0307077021. The cubic root of 4549820 is about 165.7033944770.

The spelling of 4549820 in words is "four million, five hundred forty-nine thousand, eight hundred twenty".