538843536 has 320 divisors, whose sum is σ = 1959874560. Its totient is φ = 137687040.

The previous prime is 538843511. The next prime is 538843541. The reversal of 538843536 is 635348835.

538843536 is a `hidden beast` number, since 5 + 38 + 84 + 3 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 538843491 and 538843500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3226525 + ... + 3226691.

It is an arithmetic number, because the mean of its divisors is an integer number (6124608).

Almost surely, 2^538843536 is an apocalyptic number.

538843536 is a gapful number since it is divisible by the number (56) 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 538843536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979937280).

538843536 is an abundant number, since it is smaller than the sum of its proper divisors (1421031024).

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

538843536 is a wasteful number, since it uses less digits than its factorization.

538843536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 287 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 538843536 is about 23213.0035971220. The cubic root of 538843536 is about 813.7435498225.

The spelling of 538843536 in words is "five hundred thirty-eight million, eight hundred forty-three thousand, five hundred thirty-six".