385830647 has 2 divisors, whose sum is σ = 385830648. Its totient is φ = 385830646.

The previous prime is 385830547. The next prime is 385830649. The reversal of 385830647 is 746038583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 385830647 - 2¹⁴ = 385814263 is a prime.

Together with 385830649, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 385830598 and 385830607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385830649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192915323 + 192915324.

It is an arithmetic number, because the mean of its divisors is an integer number (192915324).

Almost surely, 2^385830647 is an apocalyptic number.

385830647 is a deficient number, since it is larger than the sum of its proper divisors (1).

385830647 is an equidigital number, since it uses as much as digits as its factorization.

385830647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 385830647 is about 19642.5723111816. The cubic root of 385830647 is about 728.0014434369.

The spelling of 385830647 in words is "three hundred eighty-five million, eight hundred thirty thousand, six hundred forty-seven".