209089150 has 24 divisors (see below), whose sum is σ = 390555360. Its totient is φ = 83280960.

The previous prime is 209089123. The next prime is 209089157. The reversal of 209089150 is 51980902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209089157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3202 + ... + 20698.

It is an arithmetic number, because the mean of its divisors is an integer number (16273140).

Almost surely, 2^209089150 is an apocalyptic number.

209089150 is a deficient number, since it is larger than the sum of its proper divisors (181466210).

209089150 is a wasteful number, since it uses less digits than its factorization.

209089150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17748 (or 17743 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 209089150 is about 14459.9152832926. The cubic root of 209089150 is about 593.5315813422.

The spelling of 209089150 in words is "two hundred nine million, eighty-nine thousand, one hundred fifty".