385533 has 16 divisors (see below), whose sum is σ = 580800. Its totient is φ = 252720.
The previous prime is 385531. The next prime is 385537. The reversal of 385533 is 335583.
It is not a de Polignac number, because 385533 - 21 = 385531 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 385497 and 385506.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385531) 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 15 ways as a sum of consecutive naturals, for example, 2878 + ... + 3008.
It is an arithmetic number, because the mean of its divisors is an integer number (36300).
2385533 is an apocalyptic number.
385533 is the 393-rd heptagonal number.
It is an amenable number.
385533 is a deficient number, since it is larger than the sum of its proper divisors (195267).
385533 is a wasteful number, since it uses less digits than its factorization.
385533 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 249 (or 243 counting only the distinct ones).
The product of its digits is 5400, while the sum is 27.
The square root of 385533 is about 620.9130373893. The cubic root of 385533 is about 72.7814190997.
The spelling of 385533 in words is "three hundred eighty-five thousand, five hundred thirty-three".
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