4485620 has 48 divisors (see below), whose sum is σ = 10160640. Its totient is φ = 1657344.

The previous prime is 4485619. The next prime is 4485623. The reversal of 4485620 is 265844.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4485623) 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 15 ways as a sum of consecutive naturals, for example, 26777 + ... + 26943.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

Almost surely, 2^4485620 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 4485620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5080320).

4485620 is an abundant number, since it is smaller than the sum of its proper divisors (5675020).

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

4485620 is a wasteful number, since it uses less digits than its factorization.

4485620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 4485620 is about 2117.9282329673. The cubic root of 4485620 is about 164.9203165905.

The spelling of 4485620 in words is "four million, four hundred eighty-five thousand, six hundred twenty".