538390768 has 20 divisors (see below), whose sum is σ = 1057423888. Its totient is φ = 265507200.

The previous prime is 538390763. The next prime is 538390813. The reversal of 538390768 is 867093835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538390763) by changing a digit.

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, 229308 + ... + 231643.

Almost surely, 2^538390768 is an apocalyptic number.

It is an amenable number.

538390768 is a deficient number, since it is larger than the sum of its proper divisors (519033120).

538390768 is a wasteful number, since it uses less digits than its factorization.

538390768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461032 (or 461026 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 538390768 is about 23203.2490828332. The cubic root of 538390768 is about 813.5155675746.

The spelling of 538390768 in words is "five hundred thirty-eight million, three hundred ninety thousand, seven hundred sixty-eight".