538538308 has 96 divisors (see below), whose sum is σ = 1253726208. Its totient is φ = 195955200.

The previous prime is 538538251. The next prime is 538538327. The reversal of 538538308 is 803835835.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 853153 + ... + 853783.

It is an arithmetic number, because the mean of its divisors is an integer number (13059648).

Almost surely, 2^538538308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538538308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626863104).

538538308 is an abundant number, since it is smaller than the sum of its proper divisors (715187900).

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

538538308 is a wasteful number, since it uses less digits than its factorization.

538538308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 538538308 is about 23206.4281611798. The cubic root of 538538308 is about 813.5898724176.

The spelling of 538538308 in words is "five hundred thirty-eight million, five hundred thirty-eight thousand, three hundred eight".