538030209 has 16 divisors (see below), whose sum is σ = 741729600. Its totient is φ = 346639680.

The previous prime is 538030183. The next prime is 538030217. The reversal of 538030209 is 902030835.

It is a happy number.

It is not a de Polignac number, because 538030209 - 2⁹ = 538029697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538030279) 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, 274 + ... + 32804.

It is an arithmetic number, because the mean of its divisors is an integer number (46358100).

Almost surely, 2^538030209 is an apocalyptic number.

It is an amenable number.

538030209 is a deficient number, since it is larger than the sum of its proper divisors (203699391).

538030209 is a wasteful number, since it uses less digits than its factorization.

538030209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32720.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 538030209 is about 23195.4782015806. The cubic root of 538030209 is about 813.3339238813. Note that the first 3 decimals are identical.

The spelling of 538030209 in words is "five hundred thirty-eight million, thirty thousand, two hundred nine".