538389648 has 60 divisors (see below), whose sum is σ = 1555360768. Its totient is φ = 173672640.

The previous prime is 538389641. The next prime is 538389659. The reversal of 538389648 is 846983835.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 538389594 and 538389603.

It is not an unprimeable number, because it can be changed into a prime (538389641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55840 + ... + 64767.

Almost surely, 2^538389648 is an apocalyptic number.

It is an amenable number.

538389648 is an abundant number, since it is smaller than the sum of its proper divisors (1016971120).

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

538389648 is a wasteful number, since it uses less digits than its factorization.

538389648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120652 (or 120643 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 538389648 is about 23203.2249482696. The cubic root of 538389648 is about 813.5150034626.

The spelling of 538389648 in words is "five hundred thirty-eight million, three hundred eighty-nine thousand, six hundred forty-eight".