385738427 has 2 divisors, whose sum is σ = 385738428. Its totient is φ = 385738426.

The previous prime is 385738421. The next prime is 385738429. The reversal of 385738427 is 724837583.

It is a strong prime.

It is an emirp because it is prime and its reverse (724837583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 385738427 - 2¹⁰ = 385737403 is a prime.

Together with 385738429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (385738421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192869213 + 192869214.

It is an arithmetic number, because the mean of its divisors is an integer number (192869214).

Almost surely, 2^385738427 is an apocalyptic number.

385738427 is a deficient number, since it is larger than the sum of its proper divisors (1).

385738427 is an equidigital number, since it uses as much as digits as its factorization.

385738427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 47.

The square root of 385738427 is about 19640.2247186737. The cubic root of 385738427 is about 727.9434372942.

The spelling of 385738427 in words is "three hundred eighty-five million, seven hundred thirty-eight thousand, four hundred twenty-seven".