240085487 has 4 divisors (see below), whose sum is σ = 240174360. Its totient is φ = 239996616.

The previous prime is 240085429. The next prime is 240085493. The reversal of 240085487 is 784580042.

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 240085487 - 2²⁰ = 239036911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240085487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240085427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40253 + ... + 45830.

It is an arithmetic number, because the mean of its divisors is an integer number (60043590).

Almost surely, 2^240085487 is an apocalyptic number.

240085487 is a deficient number, since it is larger than the sum of its proper divisors (88873).

240085487 is an equidigital number, since it uses as much as digits as its factorization.

240085487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88872.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 240085487 is about 15494.6922202411. The cubic root of 240085487 is about 621.5202779833.

The spelling of 240085487 in words is "two hundred forty million, eighty-five thousand, four hundred eighty-seven".