9668409 has 8 divisors (see below), whose sum is σ = 13009920. Its totient is φ = 6386256.

The previous prime is 9668401. The next prime is 9668429. The reversal of 9668409 is 9048669.

9668409 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9668409 - 2³ = 9668401 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (9668401) 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, 14457 + ... + 15110.

It is an arithmetic number, because the mean of its divisors is an integer number (1626240).

Almost surely, 2^9668409 is an apocalyptic number.

It is an amenable number.

9668409 is a deficient number, since it is larger than the sum of its proper divisors (3341511).

9668409 is a wasteful number, since it uses less digits than its factorization.

9668409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29679.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 9668409 is about 3109.4065350160. The cubic root of 9668409 is about 213.0353486706.

The spelling of 9668409 in words is "nine million, six hundred sixty-eight thousand, four hundred nine".