327686849 has 16 divisors (see below), whose sum is σ = 397260288. Its totient is φ = 263864832.

The previous prime is 327686803. The next prime is 327686851. The reversal of 327686849 is 948686723.

It is a de Polignac number, because none of the positive numbers 2^k-327686849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 327686849.

It is not an unprimeable number, because it can be changed into a prime (327686869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71192 + ... + 75654.

It is an arithmetic number, because the mean of its divisors is an integer number (24828768).

Almost surely, 2^327686849 is an apocalyptic number.

It is an amenable number.

327686849 is a deficient number, since it is larger than the sum of its proper divisors (69573439).

327686849 is a wasteful number, since it uses less digits than its factorization.

327686849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104.

The product of its digits is 3483648, while the sum is 53.

The square root of 327686849 is about 18102.1227760724. The cubic root of 327686849 is about 689.4239040720.

The spelling of 327686849 in words is "three hundred twenty-seven million, six hundred eighty-six thousand, eight hundred forty-nine".