385229 has 4 divisors (see below), whose sum is σ = 414876. Its totient is φ = 355584.

The previous prime is 385223. The next prime is 385249. The reversal of 385229 is 922583.

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

It can be written as a sum of positive squares in 2 ways, for example, as 252004 + 133225 = 502^2 + 365^2 .

It is a cyclic number.

It is not a de Polignac number, because 385229 - 2⁸ = 384973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385223) 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, 14804 + ... + 14829.

It is an arithmetic number, because the mean of its divisors is an integer number (103719).

2³⁸⁵²²⁹ is an apocalyptic number.

It is an amenable number.

385229 is a deficient number, since it is larger than the sum of its proper divisors (29647).

385229 is a wasteful number, since it uses less digits than its factorization.

385229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29646.

The product of its digits is 4320, while the sum is 29.

The square root of 385229 is about 620.6681883261. The cubic root of 385229 is about 72.7622842315.

The spelling of 385229 in words is "three hundred eighty-five thousand, two hundred twenty-nine".