385870 has 16 divisors (see below), whose sum is σ = 710208. Its totient is φ = 150880.

The previous prime is 385859. The next prime is 385877. The reversal of 385870 is 78583.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385877) 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 7 ways as a sum of consecutive naturals, for example, 60 + ... + 880.

It is an arithmetic number, because the mean of its divisors is an integer number (44388).

2³⁸⁵⁸⁷⁰ is an apocalyptic number.

385870 is a deficient number, since it is larger than the sum of its proper divisors (324338).

385870 is a wasteful number, since it uses less digits than its factorization.

385870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 385870 is about 621.1843526684. The cubic root of 385870 is about 72.8026193559.

The spelling of 385870 in words is "three hundred eighty-five thousand, eight hundred seventy".