387887 has 4 divisors (see below), whose sum is σ = 389376. Its totient is φ = 386400.

The previous prime is 387857. The next prime is 387911. The reversal of 387887 is 788783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788783 = 17 ⋅46399.

It is a cyclic number.

It is not a de Polignac number, because 387887 - 2⁸ = 387631 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 (387857) 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, 239 + ... + 912.

It is an arithmetic number, because the mean of its divisors is an integer number (97344).

2³⁸⁷⁸⁸⁷ is an apocalyptic number.

387887 is a deficient number, since it is larger than the sum of its proper divisors (1489).

387887 is a wasteful number, since it uses less digits than its factorization.

387887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488.

The product of its digits is 75264, while the sum is 41.

The square root of 387887 is about 622.8057482073. The cubic root of 387887 is about 72.9292490214.

The spelling of 387887 in words is "three hundred eighty-seven thousand, eight hundred eighty-seven".