538279648 has 48 divisors (see below), whose sum is σ = 1076755680. Its totient is φ = 264854016.

The previous prime is 538279571. The next prime is 538279661. The reversal of 538279648 is 846972835.

It is a junction number, because it is equal to n+sod(n) for n = 538279595 and 538279604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648898 + ... + 649726.

It is an arithmetic number, because the mean of its divisors is an integer number (22432410).

Almost surely, 2^538279648 is an apocalyptic number.

It is an amenable number.

538279648 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

538279648 is a wasteful number, since it uses less digits than its factorization.

538279648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139 (or 1131 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The square root of 538279648 is about 23200.8544670234. The cubic root of 538279648 is about 813.4595957940.

The spelling of 538279648 in words is "five hundred thirty-eight million, two hundred seventy-nine thousand, six hundred forty-eight".