538866705 has 32 divisors (see below), whose sum is σ = 953616384. Its totient is φ = 258114816.

The previous prime is 538866689. The next prime is 538866709. The reversal of 538866705 is 507668835.

It is not a de Polignac number, because 538866705 - 2⁴ = 538866689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538866709) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 30129 + ... + 44558.

It is an arithmetic number, because the mean of its divisors is an integer number (29800512).

Almost surely, 2^538866705 is an apocalyptic number.

It is an amenable number.

538866705 is a deficient number, since it is larger than the sum of its proper divisors (414749679).

538866705 is a wasteful number, since it uses less digits than its factorization.

538866705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74745.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 538866705 is about 23213.5026439355. The cubic root of 538866705 is about 813.7552126726.

The spelling of 538866705 in words is "five hundred thirty-eight million, eight hundred sixty-six thousand, seven hundred five".