538522784 has 48 divisors (see below), whose sum is σ = 1077116040. Its totient is φ = 265006080.

The previous prime is 538522763. The next prime is 538522801. The reversal of 538522784 is 487225835.

It can be written as a sum of positive squares in 4 ways, for example, as 206554384 + 331968400 = 14372^2 + 18220^2 .

It is a super-2 number, since 2×538522784² = 580013577774221312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630902 + ... + 631754.

Almost surely, 2^538522784 is an apocalyptic number.

It is an amenable number.

538522784 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

538522784 is a wasteful number, since it uses less digits than its factorization.

538522784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153 (or 1145 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 538522784 is about 23206.0936824792. The cubic root of 538522784 is about 813.5820547809.

The spelling of 538522784 in words is "five hundred thirty-eight million, five hundred twenty-two thousand, seven hundred eighty-four".