538205983 has 16 divisors (see below), whose sum is σ = 637346880. Its totient is φ = 444681216.

The previous prime is 538205981. The next prime is 538206023. The reversal of 538205983 is 389502835.

It is not a de Polignac number, because 538205983 - 2¹ = 538205981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538205981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146991 + ... + 150607.

It is an arithmetic number, because the mean of its divisors is an integer number (39834180).

Almost surely, 2^538205983 is an apocalyptic number.

538205983 is a deficient number, since it is larger than the sum of its proper divisors (99140897).

538205983 is a wasteful number, since it uses less digits than its factorization.

538205983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 538205983 is about 23199.2668634162. The cubic root of 538205983 is about 813.4224860654.

The spelling of 538205983 in words is "five hundred thirty-eight million, two hundred five thousand, nine hundred eighty-three".