538758828 has 36 divisors (see below), whose sum is σ = 1379108640. Its totient is φ = 177312096.

The previous prime is 538758817. The next prime is 538758881. The reversal of 538758828 is 828857835.

It is a happy number.

538758828 is a `hidden beast` number, since 5 + 38 + 7 + 588 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×538758828² = 580522149495867168, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91875 + ... + 97562.

Almost surely, 2^538758828 is an apocalyptic number.

It is an amenable number.

538758828 is an abundant number, since it is smaller than the sum of its proper divisors (840349812).

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

538758828 is a wasteful number, since it uses less digits than its factorization.

538758828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189526 (or 189521 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 54.

The square root of 538758828 is about 23211.1789446379. The cubic root of 538758828 is about 813.7009065217.

The spelling of 538758828 in words is "five hundred thirty-eight million, seven hundred fifty-eight thousand, eight hundred twenty-eight".