385838 has 8 divisors (see below), whose sum is σ = 584688. Its totient is φ = 190944.

The previous prime is 385837. The next prime is 385843. The reversal of 385838 is 838583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 385798 and 385807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385831) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 731 + ... + 1142.

It is an arithmetic number, because the mean of its divisors is an integer number (73086).

2³⁸⁵⁸³⁸ is an apocalyptic number.

385838 is a deficient number, since it is larger than the sum of its proper divisors (198850).

385838 is a wasteful number, since it uses less digits than its factorization.

385838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978.

The product of its digits is 23040, while the sum is 35.

The square root of 385838 is about 621.1585948854. The cubic root of 385838 is about 72.8006068057.

The spelling of 385838 in words is "three hundred eighty-five thousand, eight hundred thirty-eight".