538199893 has 24 divisors (see below), whose sum is σ = 699431040. Its totient is φ = 404896800.

The previous prime is 538199881. The next prime is 538199899. The reversal of 538199893 is 398991835.

It is not a de Polignac number, because 538199893 - 2²⁹ = 1328981 is a prime.

It is a super-2 number, since 2×538199893² = 579318249650422898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538199899) 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 23 ways as a sum of consecutive naturals, for example, 13608 + ... + 35518.

It is an arithmetic number, because the mean of its divisors is an integer number (29142960).

Almost surely, 2^538199893 is an apocalyptic number.

It is an amenable number.

538199893 is a deficient number, since it is larger than the sum of its proper divisors (161231147).

538199893 is a wasteful number, since it uses less digits than its factorization.

538199893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21969 (or 21958 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 55.

The square root of 538199893 is about 23199.1356088972. The cubic root of 538199893 is about 813.4194179950.

The spelling of 538199893 in words is "five hundred thirty-eight million, one hundred ninety-nine thousand, eight hundred ninety-three".