117319284 has 18 divisors (see below), whose sum is σ = 296557170. Its totient is φ = 39106416.

The previous prime is 117319271. The next prime is 117319289. The reversal of 117319284 is 482913711.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 87834384 + 29484900 = 9372^2 + 5430^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3258869 = 117319284 / (1 + 1 + 7 + 3 + 1 + 9 + 2 + 8 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117319289) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1629399 + ... + 1629470.

Almost surely, 2^117319284 is an apocalyptic number.

It is an amenable number.

117319284 is an abundant number, since it is smaller than the sum of its proper divisors (179237886).

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

117319284 is a wasteful number, since it uses less digits than its factorization.

117319284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258879 (or 3258874 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 117319284 is about 10831.4026792470. The cubic root of 117319284 is about 489.5418235533.

The spelling of 117319284 in words is "one hundred seventeen million, three hundred nineteen thousand, two hundred eighty-four".