4503620 has 36 divisors (see below), whose sum is σ = 10401132. Its totient is φ = 1636800.

The previous prime is 4503599. The next prime is 4503637. The reversal of 4503620 is 263054.

4503620 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 495616 + 4008004 = 704^2 + 2002^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4503592 and 4503601.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1490 + ... + 3350.

Almost surely, 2^4503620 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 4503620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5200566).

4503620 is an abundant number, since it is smaller than the sum of its proper divisors (5897512).

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

4503620 is a wasteful number, since it uses less digits than its factorization.

4503620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 4503620 is about 2122.1734142148. The cubic root of 4503620 is about 165.1406208629.

Adding to 4503620 its reverse (263054), we get a palindrome (4766674).

The spelling of 4503620 in words is "four million, five hundred three thousand, six hundred twenty".