538781016 has 16 divisors (see below), whose sum is σ = 1346952600. Its totient is φ = 179593664.

The previous prime is 538780997. The next prime is 538781039. The reversal of 538781016 is 610187835.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11224581 + ... + 11224628.

Almost surely, 2^538781016 is an apocalyptic number.

It is an amenable number.

538781016 is an abundant number, since it is smaller than the sum of its proper divisors (808171584).

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

538781016 is a wasteful number, since it uses less digits than its factorization.

538781016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22449218 (or 22449214 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 538781016 is about 23211.6568990669. The cubic root of 538781016 is about 813.7120767318.

The spelling of 538781016 in words is "five hundred thirty-eight million, seven hundred eighty-one thousand, sixteen".