387888 has 20 divisors (see below), whose sum is σ = 1002168. Its totient is φ = 129280.

The previous prime is 387857. The next prime is 387911. The reversal of 387888 is 888783.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 387888.

It is an unprimeable number.

387888 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3993 + ... + 4088.

2³⁸⁷⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

387888 is an abundant number, since it is smaller than the sum of its proper divisors (614280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387888 is a wasteful number, since it uses less digits than its factorization.

387888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8092 (or 8086 counting only the distinct ones).

The product of its digits is 86016, while the sum is 42.

The square root of 387888 is about 622.8065510253. The cubic root of 387888 is about 72.9293116936.

It can be divided in two parts, 387 and 888, that added together give a triangular number (1275 = T₅₀).

The spelling of 387888 in words is "three hundred eighty-seven thousand, eight hundred eighty-eight".