117834449 has 4 divisors (see below), whose sum is σ = 117856164. Its totient is φ = 117812736.

The previous prime is 117834443. The next prime is 117834461. The reversal of 117834449 is 944438711.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 944438711 = 151 ⋅6254561.

It can be written as a sum of positive squares in 2 ways, for example, as 13140625 + 104693824 = 3625^2 + 10232^2 .

It is a cyclic number.

It is not a de Polignac number, because 117834449 - 2²⁰ = 116785873 is a prime.

It is a super-2 number, since 2×117834449² = 27769914742267202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117834443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5129 + ... + 16185.

It is an arithmetic number, because the mean of its divisors is an integer number (29464041).

Almost surely, 2^117834449 is an apocalyptic number.

It is an amenable number.

117834449 is a deficient number, since it is larger than the sum of its proper divisors (21715).

117834449 is a wasteful number, since it uses less digits than its factorization.

117834449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21714.

The product of its digits is 96768, while the sum is 41.

The square root of 117834449 is about 10855.1577141928. The cubic root of 117834449 is about 490.2573256209.

The spelling of 117834449 in words is "one hundred seventeen million, eight hundred thirty-four thousand, four hundred forty-nine".