538030208 has 64 divisors (see below), whose sum is σ = 1106685720. Its totient is φ = 260382720.

The previous prime is 538030183. The next prime is 538030217. The reversal of 538030208 is 802030835.

It can be written as a sum of positive squares in 4 ways, for example, as 196224064 + 341806144 = 14008^2 + 18488^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823610 + ... + 824262.

Almost surely, 2^538030208 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 538030208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553342860).

538030208 is an abundant number, since it is smaller than the sum of its proper divisors (568655512).

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

538030208 is a wasteful number, since it uses less digits than its factorization.

538030208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 538030208 is about 23195.4781800247. The cubic root of 538030208 is about 813.3339233774. Note that the first 3 decimals are identical.

The spelling of 538030208 in words is "five hundred thirty-eight million, thirty thousand, two hundred eight".