538442858 has 4 divisors (see below), whose sum is σ = 807664290. Its totient is φ = 269221428.

The previous prime is 538442851. The next prime is 538442869. The reversal of 538442858 is 858244835.

538442858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 524730649 + 13712209 = 22907^2 + 3703^2 .

It is a super-2 number, since 2×538442858² = 579841422662416328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (538442851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134610713 + ... + 134610716.

Almost surely, 2^538442858 is an apocalyptic number.

538442858 is a deficient number, since it is larger than the sum of its proper divisors (269221432).

538442858 is a wasteful number, since it uses less digits than its factorization.

538442858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269221431.

The product of its digits is 1228800, while the sum is 47.

The square root of 538442858 is about 23204.3715277962. The cubic root of 538442858 is about 813.5418029547.

The spelling of 538442858 in words is "five hundred thirty-eight million, four hundred forty-two thousand, eight hundred fifty-eight".