385604647 has 2 divisors, whose sum is σ = 385604648. Its totient is φ = 385604646.

The previous prime is 385604633. The next prime is 385604669. The reversal of 385604647 is 746406583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385604647 - 2⁷ = 385604519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385604617) 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, 192802323 + 192802324.

It is an arithmetic number, because the mean of its divisors is an integer number (192802324).

Almost surely, 2^385604647 is an apocalyptic number.

385604647 is a deficient number, since it is larger than the sum of its proper divisors (1).

385604647 is an equidigital number, since it uses as much as digits as its factorization.

385604647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 385604647 is about 19636.8186578173. The cubic root of 385604647 is about 727.8592735825.

The spelling of 385604647 in words is "three hundred eighty-five million, six hundred four thousand, six hundred forty-seven".