117424216 has 64 divisors (see below), whose sum is σ = 273833280. Its totient is φ = 45964800.

The previous prime is 117424211. The next prime is 117424217. The reversal of 117424216 is 612424711.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117424211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72730 + ... + 74326.

It is an arithmetic number, because the mean of its divisors is an integer number (4278645).

Almost surely, 2^117424216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117424216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136916640).

117424216 is an abundant number, since it is smaller than the sum of its proper divisors (156409064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117424216 is a wasteful number, since it uses less digits than its factorization.

117424216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724 (or 1720 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 117424216 is about 10836.2454752557. The cubic root of 117424216 is about 489.6877310676.

Adding to 117424216 its reverse (612424711), we get a palindrome (729848927).

The spelling of 117424216 in words is "one hundred seventeen million, four hundred twenty-four thousand, two hundred sixteen".