240387 has 8 divisors (see below), whose sum is σ = 366336. Its totient is φ = 137352.

The previous prime is 240379. The next prime is 240421. The reversal of 240387 is 783042.

240387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 240387 - 2³ = 240379 is a prime.

240387 is a lucky number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (240347) 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, 5703 + ... + 5744.

It is an arithmetic number, because the mean of its divisors is an integer number (45792).

2²⁴⁰³⁸⁷ is an apocalyptic number.

240387 is a deficient number, since it is larger than the sum of its proper divisors (125949).

240387 is a wasteful number, since it uses less digits than its factorization.

240387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11457.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 240387 is about 490.2927696795. The cubic root of 240387 is about 62.1780349306.

The spelling of 240387 in words is "two hundred forty thousand, three hundred eighty-seven".