3987711 has 40 divisors (see below), whose sum is σ = 7345184. Its totient is φ = 2099520.

The previous prime is 3987677. The next prime is 3987727. The reversal of 3987711 is 1177893.

It is not a de Polignac number, because 3987711 - 2⁹ = 3987199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3987791) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7101 + ... + 7641.

Almost surely, 2^3987711 is an apocalyptic number.

3987711 is a deficient number, since it is larger than the sum of its proper divisors (3357473).

3987711 is a wasteful number, since it uses less digits than its factorization.

3987711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 564 counting only the distinct ones).

The product of its digits is 10584, while the sum is 36.

The square root of 3987711 is about 1996.9253866882. The cubic root of 3987711 is about 158.5773753379.

The spelling of 3987711 in words is "three million, nine hundred eighty-seven thousand, seven hundred eleven".