3687387 has 16 divisors (see below), whose sum is σ = 5646720. Its totient is φ = 2116800.

The previous prime is 3687373. The next prime is 3687391. The reversal of 3687387 is 7837863.

It is a happy number.

It is not a de Polignac number, because 3687387 - 2¹⁶ = 3621851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3687287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2314 + ... + 3567.

It is an arithmetic number, because the mean of its divisors is an integer number (352920).

Almost surely, 2^3687387 is an apocalyptic number.

3687387 is a deficient number, since it is larger than the sum of its proper divisors (1959333).

3687387 is a wasteful number, since it uses less digits than its factorization.

3687387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5914.

The product of its digits is 169344, while the sum is 42.

The square root of 3687387 is about 1920.2570140479. The cubic root of 3687387 is about 154.4920870257.

The spelling of 3687387 in words is "three million, six hundred eighty-seven thousand, three hundred eighty-seven".