9166409 has 8 divisors (see below), whose sum is σ = 10648128. Its totient is φ = 7727760.

The previous prime is 9166393. The next prime is 9166427. The reversal of 9166409 is 9046619.

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

It is a cyclic number.

It is not a de Polignac number, because 9166409 - 2⁴ = 9166393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9166429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10307 + ... + 11160.

It is an arithmetic number, because the mean of its divisors is an integer number (1331016).

Almost surely, 2^9166409 is an apocalyptic number.

It is an amenable number.

9166409 is a deficient number, since it is larger than the sum of its proper divisors (1481719).

9166409 is a wasteful number, since it uses less digits than its factorization.

9166409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21535.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 9166409 is about 3027.6078015489. The cubic root of 9166409 is about 209.2825783229.

The spelling of 9166409 in words is "nine million, one hundred sixty-six thousand, four hundred nine".