385975 has 6 divisors (see below), whose sum is σ = 478640. Its totient is φ = 308760.

The previous prime is 385967. The next prime is 385991. The reversal of 385975 is 579583.

It is not a de Polignac number, because 385975 - 2³ = 385967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7695 + ... + 7744.

2³⁸⁵⁹⁷⁵ is an apocalyptic number.

385975 is a deficient number, since it is larger than the sum of its proper divisors (92665).

385975 is a wasteful number, since it uses less digits than its factorization.

385975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15449 (or 15444 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 385975 is about 621.2688628927. The cubic root of 385975 is about 72.8092222548.

The spelling of 385975 in words is "three hundred eighty-five thousand, nine hundred seventy-five".