538684893 has 12 divisors (see below), whose sum is σ = 779407200. Its totient is φ = 358520136.

The previous prime is 538684859. The next prime is 538684921. The reversal of 538684893 is 398486835.

It is a happy number.

538684893 is a `hidden beast` number, since 538 + 68 + 48 + 9 + 3 = 666.

It is not a de Polignac number, because 538684893 - 2⁹ = 538684381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538684843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44571 + ... + 55352.

It is an arithmetic number, because the mean of its divisors is an integer number (64950600).

Almost surely, 2^538684893 is an apocalyptic number.

It is an amenable number.

538684893 is a deficient number, since it is larger than the sum of its proper divisors (240722307).

538684893 is a wasteful number, since it uses less digits than its factorization.

538684893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100528 (or 100525 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 538684893 is about 23209.5862306936. The cubic root of 538684893 is about 813.6636828602.

The spelling of 538684893 in words is "five hundred thirty-eight million, six hundred eighty-four thousand, eight hundred ninety-three".