117844 has 12 divisors (see below), whose sum is σ = 218484. Its totient is φ = 55424.

The previous prime is 117841. The next prime is 117851. The reversal of 117844 is 448711.

It can be written as a sum of positive squares in 2 ways, for example, as 72900 + 44944 = 270^2 + 212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117841) 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, 799 + ... + 934.

It is an arithmetic number, because the mean of its divisors is an integer number (18207).

2¹¹⁷⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

117844 is a deficient number, since it is larger than the sum of its proper divisors (100640).

117844 is a wasteful number, since it uses less digits than its factorization.

117844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754 (or 1752 counting only the distinct ones).

The product of its digits is 896, while the sum is 25.

The square root of 117844 is about 343.2841388704. The cubic root of 117844 is about 49.0270571100.

It can be divided in two parts, 117 and 844, that added together give a square (961 = 31²).

The spelling of 117844 in words is "one hundred seventeen thousand, eight hundred forty-four".