4472538 has 32 divisors (see below), whose sum is σ = 10354176. Its totient is φ = 1261488.

The previous prime is 4472527. The next prime is 4472539. The reversal of 4472538 is 8352744.

4472538 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4472538² = 40007192322888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4472499 and 4472508.

It is not an unprimeable number, because it can be changed into a prime (4472539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2845 + ... + 4127.

It is an arithmetic number, because the mean of its divisors is an integer number (323568).

Almost surely, 2^4472538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4472538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5177088).

4472538 is an abundant number, since it is smaller than the sum of its proper divisors (5881638).

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

4472538 is a wasteful number, since it uses less digits than its factorization.

4472538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378.

The product of its digits is 26880, while the sum is 33.

The square root of 4472538 is about 2114.8375824162. The cubic root of 4472538 is about 164.7598342511.

The spelling of 4472538 in words is "four million, four hundred seventy-two thousand, five hundred thirty-eight".