180385 has 8 divisors (see below), whose sum is σ = 221760. Its totient is φ = 140784.

The previous prime is 180379. The next prime is 180391. The reversal of 180385 is 583081.

It is an interprime number because it is at equal distance from previous prime (180379) and next prime (180391).

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

It is a cyclic number.

It is not a de Polignac number, because 180385 - 2¹⁵ = 147617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205 + ... + 634.

It is an arithmetic number, because the mean of its divisors is an integer number (27720).

2¹⁸⁰³⁸⁵ is an apocalyptic number.

It is an amenable number.

180385 is a deficient number, since it is larger than the sum of its proper divisors (41375).

180385 is an equidigital number, since it uses as much as digits as its factorization.

180385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 180385 is about 424.7175532045. The cubic root of 180385 is about 56.5023884964.

It can be divided in two parts, 180 and 385, that added together give a palindrome (565).

The spelling of 180385 in words is "one hundred eighty thousand, three hundred eighty-five".