115684009 has 8 divisors (see below), whose sum is σ = 134184128. Its totient is φ = 97677360.

The previous prime is 115684003. The next prime is 115684021. The reversal of 115684009 is 900486511.

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 115684009 - 2⁵ = 115683977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115684003) 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, 122862 + ... + 123799.

It is an arithmetic number, because the mean of its divisors is an integer number (16773016).

Almost surely, 2^115684009 is an apocalyptic number.

It is an amenable number.

115684009 is a deficient number, since it is larger than the sum of its proper divisors (18500119).

115684009 is an equidigital number, since it uses as much as digits as its factorization.

115684009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246735.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 115684009 is about 10755.6500965771. The cubic root of 115684009 is about 487.2566520731.

The spelling of 115684009 in words is "one hundred fifteen million, six hundred eighty-four thousand, nine".