384885 has 16 divisors (see below), whose sum is σ = 684480. Its totient is φ = 205200.

The previous prime is 384851. The next prime is 384889. The reversal of 384885 is 588483.

384885 is nontrivially palindromic in base 4.

384885 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 384885 - 2⁶ = 384821 is a prime.

384885 is strictly pandigital in base 7.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1291 + ... + 1560.

It is an arithmetic number, because the mean of its divisors is an integer number (42780).

2³⁸⁴⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

384885 is a deficient number, since it is larger than the sum of its proper divisors (299595).

384885 is a wasteful number, since it uses less digits than its factorization.

384885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865 (or 2859 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 384885 is about 620.3910057375. The cubic root of 384885 is about 72.7406194728.

The spelling of 384885 in words is "three hundred eighty-four thousand, eight hundred eighty-five".