385616383 has 4 divisors (see below), whose sum is σ = 385655920. Its totient is φ = 385576848.

The previous prime is 385616369. The next prime is 385616417. The reversal of 385616383 is 383616583.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 383616583 = 7 ⋅54802369.

It is a cyclic number.

It is not a de Polignac number, because 385616383 - 2²¹ = 383519231 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385616333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6478 + ... + 28516.

It is an arithmetic number, because the mean of its divisors is an integer number (96413980).

Almost surely, 2^385616383 is an apocalyptic number.

385616383 is a deficient number, since it is larger than the sum of its proper divisors (39537).

385616383 is a wasteful number, since it uses less digits than its factorization.

385616383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39536.

The product of its digits is 311040, while the sum is 43.

The square root of 385616383 is about 19637.1174819524. The cubic root of 385616383 is about 727.8666577170.

It can be divided in two parts, 38561 and 6383, that added together give a palindrome (44944).

The spelling of 385616383 in words is "three hundred eighty-five million, six hundred sixteen thousand, three hundred eighty-three".