4522590 has 48 divisors (see below), whose sum is σ = 12145536. Its totient is φ = 1166400.

The previous prime is 4522577. The next prime is 4522591. The reversal of 4522590 is 952254.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4522591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1980 + ... + 3600.

It is an arithmetic number, because the mean of its divisors is an integer number (253032).

Almost surely, 2^4522590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4522590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6072768).

4522590 is an abundant number, since it is smaller than the sum of its proper divisors (7622946).

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

4522590 is a wasteful number, since it uses less digits than its factorization.

4522590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4522590 is about 2126.6381920769. The cubic root of 4522590 is about 165.3721626990.

The spelling of 4522590 in words is "four million, five hundred twenty-two thousand, five hundred ninety".