388872006 has 8 divisors (see below), whose sum is σ = 777744024. Its totient is φ = 129624000.

The previous prime is 388871981. The next prime is 388872013. The reversal of 388872006 is 600278883.

It is a sphenic number, since it is the product of 3 distinct primes.

388872006 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 32405995 + ... + 32406006.

It is an arithmetic number, because the mean of its divisors is an integer number (97218003).

Almost surely, 2^388872006 is an apocalyptic number.

388872006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

388872006 is a wasteful number, since it uses less digits than its factorization.

388872006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64812006.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 388872006 is about 19719.8378796581. The cubic root of 388872006 is about 729.9092937901.

The spelling of 388872006 in words is "three hundred eighty-eight million, eight hundred seventy-two thousand, six".