3687487 has 4 divisors (see below), whose sum is σ = 3904416. Its totient is φ = 3470560.

The previous prime is 3687469. The next prime is 3687557. The reversal of 3687487 is 7847863.

3687487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7847863 = 17 ⋅461639.

It is a cyclic number.

It is not a de Polignac number, because 3687487 - 2¹⁵ = 3654719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3687407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108439 + ... + 108472.

It is an arithmetic number, because the mean of its divisors is an integer number (976104).

Almost surely, 2^3687487 is an apocalyptic number.

3687487 is a deficient number, since it is larger than the sum of its proper divisors (216929).

3687487 is a wasteful number, since it uses less digits than its factorization.

3687487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216928.

The product of its digits is 225792, while the sum is 43.

The square root of 3687487 is about 1920.2830520525. The cubic root of 3687487 is about 154.4934835946.

The spelling of 3687487 in words is "three million, six hundred eighty-seven thousand, four hundred eighty-seven".