539784648 has 288 divisors, whose sum is σ = 1726583040. Its totient is φ = 157697280.

The previous prime is 539784611. The next prime is 539784649. The reversal of 539784648 is 846487935.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 539784594 and 539784603.

It is not an unprimeable number, because it can be changed into a prime (539784649) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10184590 + ... + 10184642.

It is an arithmetic number, because the mean of its divisors is an integer number (5995080).

Almost surely, 2^539784648 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 539784648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863291520).

539784648 is an abundant number, since it is smaller than the sum of its proper divisors (1186798392).

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

539784648 is a wasteful number, since it uses less digits than its factorization.

539784648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 102 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 539784648 is about 23233.2659779033. The cubic root of 539784648 is about 814.2170196106.

The spelling of 539784648 in words is "five hundred thirty-nine million, seven hundred eighty-four thousand, six hundred forty-eight".