209030 has 8 divisors (see below), whose sum is σ = 376272. Its totient is φ = 83608.

The previous prime is 209029. The next prime is 209039. The reversal of 209030 is 30902.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 208996 and 209014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10442 + ... + 10461.

It is an arithmetic number, because the mean of its divisors is an integer number (47034).

2²⁰⁹⁰³⁰ is an apocalyptic number.

209030 is a deficient number, since it is larger than the sum of its proper divisors (167242).

209030 is a wasteful number, since it uses less digits than its factorization.

209030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20910.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 209030 is about 457.1979877471. The cubic root of 209030 is about 59.3475607285.

Adding to 209030 its reverse (30902), we get a palindrome (239932).

The spelling of 209030 in words is "two hundred nine thousand, thirty".