209429092 has 24 divisors (see below), whose sum is σ = 375705792. Its totient is φ = 102093600.

The previous prime is 209429089. The next prime is 209429093. The reversal of 209429092 is 290924902.

209429092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (209429093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176742 + ... + 177922.

It is an arithmetic number, because the mean of its divisors is an integer number (15654408).

Almost surely, 2^209429092 is an apocalyptic number.

It is an amenable number.

209429092 is a deficient number, since it is larger than the sum of its proper divisors (166276700).

209429092 is a wasteful number, since it uses less digits than its factorization.

209429092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259 (or 2257 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 209429092 is about 14471.6651426158. The cubic root of 209429092 is about 593.8530663261.

The spelling of 209429092 in words is "two hundred nine million, four hundred twenty-nine thousand, ninety-two".