240087 has 8 divisors (see below), whose sum is σ = 322560. Its totient is φ = 158840.

The previous prime is 240073. The next prime is 240089. The reversal of 240087 is 780042.

It is a happy number.

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 240087 - 2⁸ = 239831 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 240087.

It is not an unprimeable number, because it can be changed into a prime (240089) 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, 364 + ... + 782.

It is an arithmetic number, because the mean of its divisors is an integer number (40320).

2²⁴⁰⁰⁸⁷ is an apocalyptic number.

240087 is a deficient number, since it is larger than the sum of its proper divisors (82473).

240087 is a wasteful number, since it uses less digits than its factorization.

240087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 240087 is about 489.9867345143. The cubic root of 240087 is about 62.1521583571.

The spelling of 240087 in words is "two hundred forty thousand, eighty-seven".