209097282 has 16 divisors (see below), whose sum is σ = 419103360. Its totient is φ = 69547632.

The previous prime is 209097277. The next prime is 209097293. The reversal of 209097282 is 282790902.

It is a self number, because there is not a number n which added to its sum of digits gives 209097282.

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, 34857 + ... + 40412.

It is an arithmetic number, because the mean of its divisors is an integer number (26193960).

Almost surely, 2^209097282 is an apocalyptic number.

209097282 is an abundant number, since it is smaller than the sum of its proper divisors (210006078).

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

209097282 is a wasteful number, since it uses less digits than its factorization.

209097282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75737.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 209097282 is about 14460.1964716943. The cubic root of 209097282 is about 593.5392758850.

The spelling of 209097282 in words is "two hundred nine million, ninety-seven thousand, two hundred eighty-two".