538841808 has 200 divisors, whose sum is σ = 1647439200. Its totient is φ = 170481024.

The previous prime is 538841773. The next prime is 538841869. The reversal of 538841808 is 808148835.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9132883 + ... + 9132941.

It is an arithmetic number, because the mean of its divisors is an integer number (8237196).

Almost surely, 2^538841808 is an apocalyptic number.

538841808 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538841808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823719600).

538841808 is an abundant number, since it is smaller than the sum of its proper divisors (1108597392).

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

538841808 is an frugal number, since it uses more digits than its factorization.

538841808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 538841808 is about 23212.9663765750. The cubic root of 538841808 is about 813.7426799656.

The spelling of 538841808 in words is "five hundred thirty-eight million, eight hundred forty-one thousand, eight hundred eight".