388884 has 24 divisors (see below), whose sum is σ = 947520. Its totient is φ = 123904.

The previous prime is 388879. The next prime is 388891. The reversal of 388884 is 488883.

It is a congruent number.

It is an unprimeable number.

388884 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 7 ways as a sum of consecutive naturals, for example, 429 + ... + 980.

It is an arithmetic number, because the mean of its divisors is an integer number (39480).

2³⁸⁸⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

388884 is an abundant number, since it is smaller than the sum of its proper divisors (558636).

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

388884 is a wasteful number, since it uses less digits than its factorization.

388884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439 (or 1437 counting only the distinct ones).

The product of its digits is 49152, while the sum is 39.

The square root of 388884 is about 623.6056446185. The cubic root of 388884 is about 72.9916797923.

Subtracting 388884 from its reverse (488883), we obtain a palindrome (99999).

The spelling of 388884 in words is "three hundred eighty-eight thousand, eight hundred eighty-four".