117385 has 8 divisors (see below), whose sum is σ = 149256. Its totient is φ = 88320.

The previous prime is 117373. The next prime is 117389. The reversal of 117385 is 583711.

It can be written as a sum of positive squares in 4 ways, for example, as 21904 + 95481 = 148^2 + 309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117385 - 2⁵ = 117353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606 + ... + 775.

It is an arithmetic number, because the mean of its divisors is an integer number (18657).

2¹¹⁷³⁸⁵ is an apocalyptic number.

It is an amenable number.

117385 is a deficient number, since it is larger than the sum of its proper divisors (31871).

117385 is a wasteful number, since it uses less digits than its factorization.

117385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403.

The product of its digits is 840, while the sum is 25.

The square root of 117385 is about 342.6149442158. The cubic root of 117385 is about 48.9633211557.

It can be divided in two parts, 11 and 7385, that added together give a square (7396 = 86²).

The spelling of 117385 in words is "one hundred seventeen thousand, three hundred eighty-five".