117449391 has 8 divisors (see below), whose sum is σ = 161999280. Its totient is φ = 75599552.

The previous prime is 117449377. The next prime is 117449401. The reversal of 117449391 is 193944711.

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 117449391 - 2⁶ = 117449327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117449341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674910 + ... + 675083.

It is an arithmetic number, because the mean of its divisors is an integer number (20249910).

Almost surely, 2^117449391 is an apocalyptic number.

117449391 is a deficient number, since it is larger than the sum of its proper divisors (44549889).

117449391 is a wasteful number, since it uses less digits than its factorization.

117449391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350025.

The product of its digits is 27216, while the sum is 39.

The square root of 117449391 is about 10837.4070238226. The cubic root of 117449391 is about 489.7227238716.

The spelling of 117449391 in words is "one hundred seventeen million, four hundred forty-nine thousand, three hundred ninety-one".