385623 has 12 divisors (see below), whose sum is σ = 636688. Its totient is φ = 220320.

The previous prime is 385621. The next prime is 385631. The reversal of 385623 is 326583.

385623 is a `hidden beast` number, since 38 + 5 + 623 = 666.

It is not a de Polignac number, because 385623 - 2¹ = 385621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2998 + ... + 3123.

2³⁸⁵⁶²³ is an apocalyptic number.

385623 is a deficient number, since it is larger than the sum of its proper divisors (251065).

385623 is a wasteful number, since it uses less digits than its factorization.

385623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6134 (or 6131 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 385623 is about 620.9855070773. The cubic root of 385623 is about 72.7870820979.

It can be divided in two parts, 3856 and 23, that multiplied together give a palindrome (88688).

The spelling of 385623 in words is "three hundred eighty-five thousand, six hundred twenty-three".