385855806 has 32 divisors (see below), whose sum is σ = 900725760. Its totient is φ = 107898336.

The previous prime is 385855793. The next prime is 385855849. The reversal of 385855806 is 608558583.

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, 95761 + ... + 99708.

It is an arithmetic number, because the mean of its divisors is an integer number (28147680).

Almost surely, 2^385855806 is an apocalyptic number.

385855806 is an abundant number, since it is smaller than the sum of its proper divisors (514869954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385855806 is a wasteful number, since it uses less digits than its factorization.

385855806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195528.

The product of its (nonzero) digits is 1152000, while the sum is 48.

The square root of 385855806 is about 19643.2127209375. The cubic root of 385855806 is about 728.0172667784.

The spelling of 385855806 in words is "three hundred eighty-five million, eight hundred fifty-five thousand, eight hundred six".