538729158 has 16 divisors (see below), whose sum is σ = 1175409216. Its totient is φ = 163251240.

The previous prime is 538729151. The next prime is 538729159. The reversal of 538729158 is 851927835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538729151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4081216 + ... + 4081347.

It is an arithmetic number, because the mean of its divisors is an integer number (73463076).

Almost surely, 2^538729158 is an apocalyptic number.

538729158 is an abundant number, since it is smaller than the sum of its proper divisors (636680058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538729158 is a wasteful number, since it uses less digits than its factorization.

538729158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8162579.

The product of its digits is 604800, while the sum is 48.

The square root of 538729158 is about 23210.5398041493. The cubic root of 538729158 is about 813.6859691336.

The spelling of 538729158 in words is "five hundred thirty-eight million, seven hundred twenty-nine thousand, one hundred fifty-eight".