385324866 has 24 divisors (see below), whose sum is σ = 835518060. Its totient is φ = 128342016.

The previous prime is 385324817. The next prime is 385324867. The reversal of 385324866 is 668423583.

It is a happy number.

385324866 is a `hidden beast` number, since 38 + 532 + 4 + 86 + 6 = 666.

385324866 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 385297641 + 27225 = 19629^2 + 165^2 .

It is not an unprimeable number, because it can be changed into a prime (385324867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17766 + ... + 32958.

Almost surely, 2^385324866 is an apocalyptic number.

385324866 is an abundant number, since it is smaller than the sum of its proper divisors (450193194).

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

385324866 is a wasteful number, since it uses less digits than its factorization.

385324866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16610 (or 16607 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 385324866 is about 19629.6934769751. The cubic root of 385324866 is about 727.6831947338.

The spelling of 385324866 in words is "three hundred eighty-five million, three hundred twenty-four thousand, eight hundred sixty-six".