538416197 has 16 divisors (see below), whose sum is σ = 622857600. Its totient is φ = 459978240.

The previous prime is 538416187. The next prime is 538416199. The reversal of 538416197 is 791614835.

It is a cyclic number.

It is not a de Polignac number, because 538416197 - 2⁶ = 538416133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538416199) 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 15 ways as a sum of consecutive naturals, for example, 149504 + ... + 153062.

It is an arithmetic number, because the mean of its divisors is an integer number (38928600).

Almost surely, 2^538416197 is an apocalyptic number.

It is an amenable number.

538416197 is a deficient number, since it is larger than the sum of its proper divisors (84441403).

538416197 is a wasteful number, since it uses less digits than its factorization.

538416197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396.

The product of its digits is 181440, while the sum is 44.

The square root of 538416197 is about 23203.7970384159. The cubic root of 538416197 is about 813.5283752246.

The spelling of 538416197 in words is "five hundred thirty-eight million, four hundred sixteen thousand, one hundred ninety-seven".