385878 has 16 divisors (see below), whose sum is σ = 783216. Its totient is φ = 126720.

The previous prime is 385877. The next prime is 385897. The reversal of 385878 is 878583.

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, 3 + ... + 878.

It is an arithmetic number, because the mean of its divisors is an integer number (48951).

2³⁸⁵⁸⁷⁸ is an apocalyptic number.

385878 is an abundant number, since it is smaller than the sum of its proper divisors (397338).

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

385878 is a wasteful number, since it uses less digits than its factorization.

385878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959.

The product of its digits is 53760, while the sum is 39.

The square root of 385878 is about 621.1907919472. The cubic root of 385878 is about 72.8031224761.

The spelling of 385878 in words is "three hundred eighty-five thousand, eight hundred seventy-eight".