117894 has 24 divisors (see below), whose sum is σ = 274968. Its totient is φ = 33600.

The previous prime is 117889. The next prime is 117899. The reversal of 117894 is 498711.

Added to its reverse (498711) it gives a triangular number (616605 = T₁₁₁₀).

It is an interprime number because it is at equal distance from previous prime (117889) and next prime (117899).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117899) by changing a digit.

117894 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94 + ... + 494.

It is an arithmetic number, because the mean of its divisors is an integer number (11457).

2¹¹⁷⁸⁹⁴ is an apocalyptic number.

117894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137484).

117894 is an abundant number, since it is smaller than the sum of its proper divisors (157074).

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

117894 is a wasteful number, since it uses less digits than its factorization.

117894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 413 counting only the distinct ones).

The product of its digits is 2016, while the sum is 30.

The square root of 117894 is about 343.3569571161. The cubic root of 117894 is about 49.0339900220.

Adding to 117894 its reverse (498711), we get a triangular number (616605 = T₁₁₁₀).

The spelling of 117894 in words is "one hundred seventeen thousand, eight hundred ninety-four".