538538718 has 8 divisors (see below), whose sum is σ = 1077077448. Its totient is φ = 179512904.

The previous prime is 538538711. The next prime is 538538719. The reversal of 538538718 is 817835835.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

538538718 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538538711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44878221 + ... + 44878232.

It is an arithmetic number, because the mean of its divisors is an integer number (134634681).

Almost surely, 2^538538718 is an apocalyptic number.

538538718 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

538538718 is a wasteful number, since it uses less digits than its factorization.

538538718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89756458.

The product of its digits is 806400, while the sum is 48.

The square root of 538538718 is about 23206.4369949374. The cubic root of 538538718 is about 813.5900788850.

The spelling of 538538718 in words is "five hundred thirty-eight million, five hundred thirty-eight thousand, seven hundred eighteen".