384858 has 16 divisors (see below), whose sum is σ = 855360. Its totient is φ = 128268.

The previous prime is 384851. The next prime is 384889. The reversal of 384858 is 858483.

384858 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (384851) 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 7 ways as a sum of consecutive naturals, for example, 3510 + ... + 3617.

It is an arithmetic number, because the mean of its divisors is an integer number (53460).

2³⁸⁴⁸⁵⁸ is an apocalyptic number.

384858 is an abundant number, since it is smaller than the sum of its proper divisors (470502).

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

384858 is a wasteful number, since it uses less digits than its factorization.

384858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7138 (or 7132 counting only the distinct ones).

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

The square root of 384858 is about 620.3692448857. The cubic root of 384858 is about 72.7389184949.

The spelling of 384858 in words is "three hundred eighty-four thousand, eight hundred fifty-eight".