538688862 has 48 divisors (see below), whose sum is σ = 1213889040. Its totient is φ = 172440576.

The previous prime is 538688851. The next prime is 538688863. The reversal of 538688862 is 268886835.

It is a junction number, because it is equal to n+sod(n) for n = 538688799 and 538688808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538688863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98073 + ... + 103419.

It is an arithmetic number, because the mean of its divisors is an integer number (25289355).

Almost surely, 2^538688862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538688862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606944520).

538688862 is an abundant number, since it is smaller than the sum of its proper divisors (675200178).

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

538688862 is a wasteful number, since it uses less digits than its factorization.

538688862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5577 (or 5574 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 538688862 is about 23209.6717339992. The cubic root of 538688862 is about 813.6656811981.

The spelling of 538688862 in words is "five hundred thirty-eight million, six hundred eighty-eight thousand, eight hundred sixty-two".