3987877 has 8 divisors (see below), whose sum is σ = 4368600. Its totient is φ = 3623424.

The previous prime is 3987859. The next prime is 3987887. The reversal of 3987877 is 7787893.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 181476 + 3806401 = 426^2 + 1951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3987877 - 2¹¹ = 3985829 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 3987877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3987847) 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 7 ways as a sum of consecutive naturals, for example, 3552 + ... + 4537.

It is an arithmetic number, because the mean of its divisors is an integer number (546075).

Almost surely, 2^3987877 is an apocalyptic number.

It is an amenable number.

3987877 is a deficient number, since it is larger than the sum of its proper divisors (380723).

3987877 is a wasteful number, since it uses less digits than its factorization.

3987877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8135.

The product of its digits is 592704, while the sum is 49.

The square root of 3987877 is about 1996.9669501522. The cubic root of 3987877 is about 158.5795757213.

The spelling of 3987877 in words is "three million, nine hundred eighty-seven thousand, eight hundred seventy-seven".