9612209 has 2 divisors, whose sum is σ = 9612210. Its totient is φ = 9612208.

The previous prime is 9612199. The next prime is 9612223. The reversal of 9612209 is 9022169.

9612209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9610000 + 2209 = 3100^2 + 47^2 .

It is a cyclic number.

It is not a de Polignac number, because 9612209 - 2¹² = 9608113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9632209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4806104 + 4806105.

It is an arithmetic number, because the mean of its divisors is an integer number (4806105).

Almost surely, 2^9612209 is an apocalyptic number.

It is an amenable number.

9612209 is a deficient number, since it is larger than the sum of its proper divisors (1).

9612209 is an equidigital number, since it uses as much as digits as its factorization.

9612209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 9612209 is about 3100.3562698503. The cubic root of 9612209 is about 212.6217728808.

It can be divided in two parts, 961 and 2209, that multiplied together give a square (2122849 = 1457²).

The spelling of 9612209 in words is "nine million, six hundred twelve thousand, two hundred nine".