538389268 has 6 divisors (see below), whose sum is σ = 942181226. Its totient is φ = 269194632.

The previous prime is 538389239. The next prime is 538389289. The reversal of 538389268 is 862983835.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 538147204 + 242064 = 23198^2 + 492^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67298655 + ... + 67298662.

Almost surely, 2^538389268 is an apocalyptic number.

It is an amenable number.

538389268 is a deficient number, since it is larger than the sum of its proper divisors (403791958).

538389268 is a wasteful number, since it uses less digits than its factorization.

538389268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134597321 (or 134597319 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The square root of 538389268 is about 23203.2167597512. The cubic root of 538389268 is about 813.5148120672.

The spelling of 538389268 in words is "five hundred thirty-eight million, three hundred eighty-nine thousand, two hundred sixty-eight".