385955 has 4 divisors (see below), whose sum is σ = 463152. Its totient is φ = 308760.

The previous prime is 385943. The next prime is 385967. The reversal of 385955 is 559583.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (385943) and next prime (385967).

It is not a de Polignac number, because 385955 - 2⁴ = 385939 is a prime.

It is a super-2 number, since 2×385955² = 297922524050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 38591 + ... + 38600.

It is an arithmetic number, because the mean of its divisors is an integer number (115788).

2³⁸⁵⁹⁵⁵ is an apocalyptic number.

385955 is a deficient number, since it is larger than the sum of its proper divisors (77197).

385955 is an equidigital number, since it uses as much as digits as its factorization.

385955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77196.

The product of its digits is 27000, while the sum is 35.

The square root of 385955 is about 621.2527665934. The cubic root of 385955 is about 72.8079646521.

It can be divided in two parts, 3 and 85955, that added together give a palindrome (85958).

The spelling of 385955 in words is "three hundred eighty-five thousand, nine hundred fifty-five".