385233 has 4 divisors (see below), whose sum is σ = 513648. Its totient is φ = 256820.

The previous prime is 385223. The next prime is 385249. The reversal of 385233 is 332583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 385233 - 2¹⁷ = 254161 is a prime.

It is a super-3 number, since 3×385233³ = 171510890974333011, which contains 333 as substring.

It is a D-number.

385233 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 385233.

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, 64203 + ... + 64208.

It is an arithmetic number, because the mean of its divisors is an integer number (128412).

2³⁸⁵²³³ is an apocalyptic number.

It is an amenable number.

385233 is a deficient number, since it is larger than the sum of its proper divisors (128415).

385233 is a wasteful number, since it uses less digits than its factorization.

385233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128414.

The product of its digits is 2160, while the sum is 24.

The square root of 385233 is about 620.6714106514. The cubic root of 385233 is about 72.7625360714.

Subtracting from 385233 its reverse (332583), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 385233 in words is "three hundred eighty-five thousand, two hundred thirty-three".