385658 has 24 divisors (see below), whose sum is σ = 720288. Its totient is φ = 151632.

The previous prime is 385657. The next prime is 385661. The reversal of 385658 is 856583.

385658 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 (385657) 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 11 ways as a sum of consecutive naturals, for example, 2285 + ... + 2447.

It is an arithmetic number, because the mean of its divisors is an integer number (30012).

2³⁸⁵⁶⁵⁸ is an apocalyptic number.

385658 is a deficient number, since it is larger than the sum of its proper divisors (334630).

385658 is a wasteful number, since it uses less digits than its factorization.

385658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 185 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 385658 is about 621.0136874498. The cubic root of 385658 is about 72.7892841370.

The spelling of 385658 in words is "three hundred eighty-five thousand, six hundred fifty-eight".