538843488 has 48 divisors (see below), whose sum is σ = 1460100096. Its totient is φ = 173819520.

The previous prime is 538843483. The next prime is 538843499. The reversal of 538843488 is 884348835.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×538843488² = 580704609120012288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 538843488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538843483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87556 + ... + 93507.

It is an arithmetic number, because the mean of its divisors is an integer number (30418752).

Almost surely, 2^538843488 is an apocalyptic number.

It is an amenable number.

538843488 is an abundant number, since it is smaller than the sum of its proper divisors (921256608).

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

538843488 is a wasteful number, since it uses less digits than its factorization.

538843488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181107 (or 181099 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 51.

The square root of 538843488 is about 23213.0025632187. The cubic root of 538843488 is about 813.7435256598.

The spelling of 538843488 in words is "five hundred thirty-eight million, eight hundred forty-three thousand, four hundred eighty-eight".