385578685 has 16 divisors (see below), whose sum is σ = 488439360. Its totient is φ = 292202064.

The previous prime is 385578643. The next prime is 385578757. The reversal of 385578685 is 586875583.

It is not a de Polignac number, because 385578685 - 2¹⁵ = 385545917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28674 + ... + 39916.

It is an arithmetic number, because the mean of its divisors is an integer number (30527460).

Almost surely, 2^385578685 is an apocalyptic number.

It is an amenable number.

385578685 is a deficient number, since it is larger than the sum of its proper divisors (102860675).

385578685 is an equidigital number, since it uses as much as digits as its factorization.

385578685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11305 (or 11267 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 55.

The square root of 385578685 is about 19636.1575925638. The cubic root of 385578685 is about 727.8429381063.

The spelling of 385578685 in words is "three hundred eighty-five million, five hundred seventy-eight thousand, six hundred eighty-five".