538804218 has 32 divisors (see below), whose sum is σ = 1100787264. Its totient is φ = 175773312.

The previous prime is 538804181. The next prime is 538804219. The reversal of 538804218 is 812408835.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (538804219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58846 + ... + 67382.

It is an arithmetic number, because the mean of its divisors is an integer number (34399602).

Almost surely, 2^538804218 is an apocalyptic number.

538804218 is an abundant number, since it is smaller than the sum of its proper divisors (561983046).

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

538804218 is a wasteful number, since it uses less digits than its factorization.

538804218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8766.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 538804218 is about 23212.1566856680. The cubic root of 538804218 is about 813.7237570967.

The spelling of 538804218 in words is "five hundred thirty-eight million, eight hundred four thousand, two hundred eighteen".