209232196 has 36 divisors (see below), whose sum is σ = 389283244. Its totient is φ = 98366400.

The previous prime is 209232193. The next prime is 209232241. The reversal of 209232196 is 691232902.

It can be written as a sum of positive squares in 2 ways, for example, as 71639296 + 137592900 = 8464^2 + 11730^2 .

It is a super-2 number, since 2×209232196² = 87556223685964832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (209232193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128266 + ... + 129886.

Almost surely, 2^209232196 is an apocalyptic number.

It is an amenable number.

209232196 is a deficient number, since it is larger than the sum of its proper divisors (180051048).

209232196 is a wasteful number, since it uses less digits than its factorization.

209232196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732 (or 1707 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 209232196 is about 14464.8607321329. The cubic root of 209232196 is about 593.6669031484. Note that the first 3 decimals are identical.

The spelling of 209232196 in words is "two hundred nine million, two hundred thirty-two thousand, one hundred ninety-six".