538968288 has 96 divisors (see below), whose sum is σ = 1525789440. Its totient is φ = 166026240.

The previous prime is 538968259. The next prime is 538968299. The reversal of 538968288 is 882869835.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71181 + ... + 78387.

It is an arithmetic number, because the mean of its divisors is an integer number (15893640).

Almost surely, 2^538968288 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 538968288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762894720).

538968288 is an abundant number, since it is smaller than the sum of its proper divisors (986821152).

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

538968288 is a wasteful number, since it uses less digits than its factorization.

538968288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280 (or 7272 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 57.

The square root of 538968288 is about 23215.6905561734. The cubic root of 538968288 is about 813.8063437477.

The spelling of 538968288 in words is "five hundred thirty-eight million, nine hundred sixty-eight thousand, two hundred eighty-eight".