240870587 has 4 divisors (see below), whose sum is σ = 241189536. Its totient is φ = 240551640.

The previous prime is 240870577. The next prime is 240870599. The reversal of 240870587 is 785078042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240870587 - 2⁴ = 240870571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240870577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158339 + ... + 159852.

It is an arithmetic number, because the mean of its divisors is an integer number (60297384).

Almost surely, 2^240870587 is an apocalyptic number.

240870587 is a deficient number, since it is larger than the sum of its proper divisors (318949).

240870587 is an equidigital number, since it uses as much as digits as its factorization.

240870587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318948.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 240870587 is about 15520.0060244834. The cubic root of 240870587 is about 622.1970156113.

The spelling of 240870587 in words is "two hundred forty million, eight hundred seventy thousand, five hundred eighty-seven".