385858 has 8 divisors (see below), whose sum is σ = 631440. Its totient is φ = 175380.

The previous prime is 385843. The next prime is 385859. The reversal of 385858 is 858583.

385858 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not an unprimeable number, because it can be changed into a prime (385859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8748 + ... + 8791.

It is an arithmetic number, because the mean of its divisors is an integer number (78930).

2³⁸⁵⁸⁵⁸ is an apocalyptic number.

385858 is a deficient number, since it is larger than the sum of its proper divisors (245582).

385858 is a wasteful number, since it uses less digits than its factorization.

385858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17552.

The product of its digits is 38400, while the sum is 37.

The square root of 385858 is about 621.1746936249. The cubic root of 385858 is about 72.8018646626.

It can be divided in two parts, 3858 and 58, that added together give a triangular number (3916 = T₈₈).

The spelling of 385858 in words is "three hundred eighty-five thousand, eight hundred fifty-eight".