387327999 has 16 divisors (see below), whose sum is σ = 524880224. Its totient is φ = 254016000.

The previous prime is 387327971. The next prime is 387328003. The reversal of 387327999 is 999723783.

It is not a de Polignac number, because 387327999 - 2⁹ = 387327487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387327959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90099 + ... + 94299.

It is an arithmetic number, because the mean of its divisors is an integer number (32805014).

Almost surely, 2^387327999 is an apocalyptic number.

387327999 is a deficient number, since it is larger than the sum of its proper divisors (137552225).

387327999 is a wasteful number, since it uses less digits than its factorization.

387327999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4698.

The product of its digits is 5143824, while the sum is 57.

The square root of 387327999 is about 19680.6503703511. The cubic root of 387327999 is about 728.9419832988.

The spelling of 387327999 in words is "three hundred eighty-seven million, three hundred twenty-seven thousand, nine hundred ninety-nine".