385841 has 4 divisors (see below), whose sum is σ = 387684. Its totient is φ = 384000.

The previous prime is 385837. The next prime is 385843. The reversal of 385841 is 148583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 148583 = 31 ⋅4793.

It can be written as a sum of positive squares in 2 ways, for example, as 355216 + 30625 = 596^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 385841 - 2² = 385837 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560 + ... + 1041.

It is an arithmetic number, because the mean of its divisors is an integer number (96921).

2³⁸⁵⁸⁴¹ is an apocalyptic number.

It is an amenable number.

385841 is a deficient number, since it is larger than the sum of its proper divisors (1843).

385841 is a wasteful number, since it uses less digits than its factorization.

385841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842.

The product of its digits is 3840, while the sum is 29.

The square root of 385841 is about 621.1610097229. The cubic root of 385841 is about 72.8007954870.

The spelling of 385841 in words is "three hundred eighty-five thousand, eight hundred forty-one".