209233338 has 16 divisors (see below), whose sum is σ = 419152320. Its totient is φ = 69630176.

The previous prime is 209233217. The next prime is 209233363. The reversal of 209233338 is 833332902.

It is a junction number, because it is equal to n+sod(n) for n = 209233299 and 209233308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24558 + ... + 31961.

It is an arithmetic number, because the mean of its divisors is an integer number (26197020).

Almost surely, 2^209233338 is an apocalyptic number.

209233338 is an abundant number, since it is smaller than the sum of its proper divisors (209918982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

209233338 is a wasteful number, since it uses less digits than its factorization.

209233338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57141.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 209233338 is about 14464.9002070529. The cubic root of 209233338 is about 593.6679832345.

The spelling of 209233338 in words is "two hundred nine million, two hundred thirty-three thousand, three hundred thirty-eight".