385911 has 8 divisors (see below), whose sum is σ = 571760. Its totient is φ = 257256.

The previous prime is 385907. The next prime is 385927. The reversal of 385911 is 119583.

It is not a de Polignac number, because 385911 - 2² = 385907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 14293 = 385911 / (3 + 8 + 5 + 9 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385901) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7120 + ... + 7173.

It is an arithmetic number, because the mean of its divisors is an integer number (71470).

2³⁸⁵⁹¹¹ is an apocalyptic number.

385911 is a deficient number, since it is larger than the sum of its proper divisors (185849).

385911 is a wasteful number, since it uses less digits than its factorization.

385911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14302 (or 14296 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 385911 is about 621.2173532670. The cubic root of 385911 is about 72.8051977732.

It can be divided in two parts, 385 and 911, that added together give a 4-th power (1296 = 6⁴).

The spelling of 385911 in words is "three hundred eighty-five thousand, nine hundred eleven".