385528667 has 2 divisors, whose sum is σ = 385528668. Its totient is φ = 385528666.

The previous prime is 385528631. The next prime is 385528681. The reversal of 385528667 is 766825583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 385528667 - 2²⁰ = 384480091 is a prime.

It is not a weakly prime, because it can be changed into another prime (385528607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192764333 + 192764334.

It is an arithmetic number, because the mean of its divisors is an integer number (192764334).

Almost surely, 2^385528667 is an apocalyptic number.

385528667 is a deficient number, since it is larger than the sum of its proper divisors (1).

385528667 is an equidigital number, since it uses as much as digits as its factorization.

385528667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 50.

The square root of 385528667 is about 19634.8839314115. The cubic root of 385528667 is about 727.8114643555.

The spelling of 385528667 in words is "three hundred eighty-five million, five hundred twenty-eight thousand, six hundred sixty-seven".