2487687 has 4 divisors (see below), whose sum is σ = 3316920. Its totient is φ = 1658456.

The previous prime is 2487677. The next prime is 2487691. The reversal of 2487687 is 7867842.

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 2487687 - 2⁴ = 2487671 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414612 + ... + 414617.

It is an arithmetic number, because the mean of its divisors is an integer number (829230).

2^2487687 is an apocalyptic number.

2487687 is a deficient number, since it is larger than the sum of its proper divisors (829233).

2487687 is an equidigital number, since it uses as much as digits as its factorization.

2487687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829232.

The product of its digits is 150528, while the sum is 42.

The square root of 2487687 is about 1577.2403114301. The cubic root of 2487687 is about 135.4976965245.

The spelling of 2487687 in words is "two million, four hundred eighty-seven thousand, six hundred eighty-seven".