864201384 has 48 divisors (see below), whose sum is σ = 2416053120. Its totient is φ = 278773920.

The previous prime is 864201347. The next prime is 864201389. The reversal of 864201384 is 483102468.

864201384 is a `hidden beast` number, since 8 + 642 + 0 + 1 + 3 + 8 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (864201389) 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, 191362 + ... + 195825.

It is an arithmetic number, because the mean of its divisors is an integer number (50334440).

Almost surely, 2^864201384 is an apocalyptic number.

It is an amenable number.

864201384 is an abundant number, since it is smaller than the sum of its proper divisors (1551851736).

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

864201384 is a wasteful number, since it uses less digits than its factorization.

864201384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387230 (or 387223 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 864201384 is about 29397.3023252134. The cubic root of 864201384 is about 952.5146247780.

The spelling of 864201384 in words is "eight hundred sixty-four million, two hundred one thousand, three hundred eighty-four".