209330 has 24 divisors (see below), whose sum is σ = 416556. Its totient is φ = 75680.

The previous prime is 209327. The next prime is 209333. The reversal of 209330 is 33902.

It is a happy number.

209330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (209327) and next prime (209333).

It can be written as a sum of positive squares in 2 ways, for example, as 203401 + 5929 = 451^2 + 77^2 .

It is a junction number, because it is equal to n+sod(n) for n = 209299 and 209308.

It is not an unprimeable number, because it can be changed into a prime (209333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1124 + ... + 1296.

2²⁰⁹³³⁰ is an apocalyptic number.

209330 is a deficient number, since it is larger than the sum of its proper divisors (207226).

209330 is a wasteful number, since it uses less digits than its factorization.

209330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 209330 is about 457.5259555479. The cubic root of 209330 is about 59.3759390433.

The spelling of 209330 in words is "two hundred nine thousand, three hundred thirty".