538693424 has 40 divisors (see below), whose sum is σ = 1072431360. Its totient is φ = 261977600.

The previous prime is 538693409. The next prime is 538693427. The reversal of 538693424 is 424396835.

It is not an unprimeable number, because it can be changed into a prime (538693427) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 254129 + ... + 256239.

It is an arithmetic number, because the mean of its divisors is an integer number (26810784).

Almost surely, 2^538693424 is an apocalyptic number.

It is an amenable number.

538693424 is a deficient number, since it is larger than the sum of its proper divisors (533737936).

538693424 is a wasteful number, since it uses less digits than its factorization.

538693424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549 (or 2543 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The square root of 538693424 is about 23209.7700117860. The cubic root of 538693424 is about 813.6679780913.

The spelling of 538693424 in words is "five hundred thirty-eight million, six hundred ninety-three thousand, four hundred twenty-four".