327138756 has 96 divisors (see below), whose sum is σ = 909898752. Its totient is φ = 89527680.

The previous prime is 327138743. The next prime is 327138767. The reversal of 327138756 is 657831723.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 207451 + ... + 209021.

It is an arithmetic number, because the mean of its divisors is an integer number (9478112).

Almost surely, 2^327138756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 327138756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454949376).

327138756 is an abundant number, since it is smaller than the sum of its proper divisors (582759996).

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

327138756 is a wasteful number, since it uses less digits than its factorization.

327138756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689 (or 1687 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 327138756 is about 18086.9775252804. The cubic root of 327138756 is about 689.0393099707.

The spelling of 327138756 in words is "three hundred twenty-seven million, one hundred thirty-eight thousand, seven hundred fifty-six".