385438667 has 2 divisors, whose sum is σ = 385438668. Its totient is φ = 385438666.

The previous prime is 385438649. The next prime is 385438721. The reversal of 385438667 is 766834583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385438667 - 2¹⁰ = 385437643 is a prime.

It is not a weakly prime, because it can be changed into another prime (385438607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192719333 + 192719334.

It is an arithmetic number, because the mean of its divisors is an integer number (192719334).

Almost surely, 2^385438667 is an apocalyptic number.

385438667 is a deficient number, since it is larger than the sum of its proper divisors (1).

385438667 is an equidigital number, since it uses as much as digits as its factorization.

385438667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 50.

The square root of 385438667 is about 19632.5919582718. The cubic root of 385438667 is about 727.7548251349.

The spelling of 385438667 in words is "three hundred eighty-five million, four hundred thirty-eight thousand, six hundred sixty-seven".