386865800 has 48 divisors (see below), whose sum is σ = 930492900. Its totient is φ = 149408000.

The previous prime is 386865799. The next prime is 386865803. The reversal of 386865800 is 8568683.

It can be written as a sum of positive squares in 6 ways, for example, as 103347556 + 283518244 = 10166^2 + 16838^2 .

It is not an unprimeable number, because it can be changed into a prime (386865803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27551 + ... + 39150.

Almost surely, 2^386865800 is an apocalyptic number.

It is an amenable number.

386865800 is an abundant number, since it is smaller than the sum of its proper divisors (543627100).

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

386865800 is a wasteful number, since it uses less digits than its factorization.

386865800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66746 (or 66737 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 386865800 is about 19668.9043924668. The cubic root of 386865800 is about 728.6519187543.

The spelling of 386865800 in words is "three hundred eighty-six million, eight hundred sixty-five thousand, eight hundred".