387884 has 18 divisors (see below), whose sum is σ = 790020. Its totient is φ = 166152.

The previous prime is 387857. The next prime is 387911. The reversal of 387884 is 488783.

It is an interprime number because it is at equal distance from previous prime (387857) and next prime (387911).

It is a plaindrome in base 15.

It is an unprimeable number.

387884 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 794 + ... + 1185.

It is an arithmetic number, because the mean of its divisors is an integer number (43890).

2³⁸⁷⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

387884 is an abundant number, since it is smaller than the sum of its proper divisors (402136).

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

387884 is a wasteful number, since it uses less digits than its factorization.

387884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997 (or 1988 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 387884 is about 622.8033397470. The cubic root of 387884 is about 72.9290610042.

The spelling of 387884 in words is "three hundred eighty-seven thousand, eight hundred eighty-four".