385870319 has 2 divisors, whose sum is σ = 385870320. Its totient is φ = 385870318.

The previous prime is 385870313. The next prime is 385870327. The reversal of 385870319 is 913078583.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (913078583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 385870319 - 2¹² = 385866223 is a prime.

It is a super-2 number, since 2×385870319² = 297791806170323522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385870319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385870313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192935159 + 192935160.

It is an arithmetic number, because the mean of its divisors is an integer number (192935160).

Almost surely, 2^385870319 is an apocalyptic number.

385870319 is a deficient number, since it is larger than the sum of its proper divisors (1).

385870319 is an equidigital number, since it uses as much as digits as its factorization.

385870319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 385870319 is about 19643.5821325949. The cubic root of 385870319 is about 728.0263941795.

The spelling of 385870319 in words is "three hundred eighty-five million, eight hundred seventy thousand, three hundred nineteen".