538282844 has 24 divisors (see below), whose sum is σ = 1081718400. Its totient is φ = 231796080.

The previous prime is 538282817. The next prime is 538282847. The reversal of 538282844 is 448282835.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 538282795 and 538282804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538282847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321104 + ... + 322775.

It is an arithmetic number, because the mean of its divisors is an integer number (45071600).

Almost surely, 2^538282844 is an apocalyptic number.

It is an amenable number.

538282844 is an abundant number, since it is smaller than the sum of its proper divisors (543435556).

538282844 is a wasteful number, since it uses less digits than its factorization.

538282844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643913 (or 643911 counting only the distinct ones).

The product of its digits is 491520, while the sum is 44.

The square root of 538282844 is about 23200.9233436948. The cubic root of 538282844 is about 813.4612057451.

Subtracting from 538282844 its reverse (448282835), we obtain a palindrome (90000009).

It can be divided in two parts, 538 and 282844, that added together give a palindrome (283382).

The spelling of 538282844 in words is "five hundred thirty-eight million, two hundred eighty-two thousand, eight hundred forty-four".