385839583 has 2 divisors, whose sum is σ = 385839584. Its totient is φ = 385839582.

The previous prime is 385839569. The next prime is 385839611. The reversal of 385839583 is 385938583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385839583 - 2⁵ = 385839551 is a prime.

It is a super-2 number, since 2×385839583² = 297744367619227778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 385839583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385831583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192919791 + 192919792.

It is an arithmetic number, because the mean of its divisors is an integer number (192919792).

Almost surely, 2^385839583 is an apocalyptic number.

385839583 is a deficient number, since it is larger than the sum of its proper divisors (1).

385839583 is an equidigital number, since it uses as much as digits as its factorization.

385839583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3110400, while the sum is 52.

The square root of 385839583 is about 19642.7997749812. The cubic root of 385839583 is about 728.0070636667.

The spelling of 385839583 in words is "three hundred eighty-five million, eight hundred thirty-nine thousand, five hundred eighty-three".