4485820 has 12 divisors (see below), whose sum is σ = 9420264. Its totient is φ = 1794320.

The previous prime is 4485809. The next prime is 4485823. The reversal of 4485820 is 285844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4485823) 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 3 ways as a sum of consecutive naturals, for example, 112126 + ... + 112165.

It is an arithmetic number, because the mean of its divisors is an integer number (785022).

Almost surely, 2^4485820 is an apocalyptic number.

It is an amenable number.

4485820 is an abundant number, since it is smaller than the sum of its proper divisors (4934444).

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

4485820 is a wasteful number, since it uses less digits than its factorization.

4485820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224300 (or 224298 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 4485820 is about 2117.9754483941. The cubic root of 4485820 is about 164.9227676507.

The spelling of 4485820 in words is "four million, four hundred eighty-five thousand, eight hundred twenty".