169304009 has 8 divisors (see below), whose sum is σ = 196141440. Its totient is φ = 143129376.

The previous prime is 169303999. The next prime is 169304017. The reversal of 169304009 is 900403961.

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 169304009 - 2⁸ = 169303753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169304209) 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, 165149 + ... + 166170.

It is an arithmetic number, because the mean of its divisors is an integer number (24517680).

Almost surely, 2^169304009 is an apocalyptic number.

It is an amenable number.

169304009 is a deficient number, since it is larger than the sum of its proper divisors (26837431).

169304009 is an equidigital number, since it uses as much as digits as its factorization.

169304009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331399.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 169304009 is about 13011.6874001799. The cubic root of 169304009 is about 553.2088009859.

The spelling of 169304009 in words is "one hundred sixty-nine million, three hundred four thousand, nine".