209601082 has 8 divisors (see below), whose sum is σ = 314472852. Its totient is φ = 104776800.

The previous prime is 209601071. The next prime is 209601097. The reversal of 209601082 is 280106902.

It is a happy number.

209601082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 207965241 + 1635841 = 14421^2 + 1279^2 .

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

It is a super-2 number, since 2×209601082² = 87865227151141448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 209601082.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2782 + ... + 20662.

Almost surely, 2^209601082 is an apocalyptic number.

209601082 is a deficient number, since it is larger than the sum of its proper divisors (104871770).

209601082 is a wasteful number, since it uses less digits than its factorization.

209601082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23744.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 209601082 is about 14477.6062247873. The cubic root of 209601082 is about 594.0155856802.

Adding to 209601082 its reverse (280106902), we get a palindrome (489707984).

The spelling of 209601082 in words is "two hundred nine million, six hundred one thousand, eighty-two".