240385 has 8 divisors (see below), whose sum is σ = 291456. Its totient is φ = 190320.

The previous prime is 240379. The next prime is 240421. The reversal of 240385 is 583042.

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

It is not a de Polignac number, because 240385 - 2⁵ = 240353 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

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, 472 + ... + 838.

It is an arithmetic number, because the mean of its divisors is an integer number (36432).

2²⁴⁰³⁸⁵ is an apocalyptic number.

It is an amenable number.

240385 is a deficient number, since it is larger than the sum of its proper divisors (51071).

240385 is a wasteful number, since it uses less digits than its factorization.

240385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 240385 is about 490.2907300776. The cubic root of 240385 is about 62.1778624914.

It can be divided in two parts, 240 and 385, that added together give a 4-th power (625 = 5⁴).

The spelling of 240385 in words is "two hundred forty thousand, three hundred eighty-five".