117304209 has 24 divisors (see below), whose sum is σ = 192883392. Its totient is φ = 68001120.

The previous prime is 117304183. The next prime is 117304219. The reversal of 117304209 is 902403711.

It is not a de Polignac number, because 117304209 - 2¹¹ = 117302161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117304219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23482 + ... + 28035.

It is an arithmetic number, because the mean of its divisors is an integer number (8036808).

Almost surely, 2^117304209 is an apocalyptic number.

It is an amenable number.

117304209 is a deficient number, since it is larger than the sum of its proper divisors (75579183).

117304209 is a wasteful number, since it uses less digits than its factorization.

117304209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51557 (or 51554 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 117304209 is about 10830.7067636420. The cubic root of 117304209 is about 489.5208546815.

The spelling of 117304209 in words is "one hundred seventeen million, three hundred four thousand, two hundred nine".