327855556 has 48 divisors (see below), whose sum is σ = 687738240. Its totient is φ = 133781760.

The previous prime is 327855551. The next prime is 327855559. The reversal of 327855556 is 655558723.

It is a happy number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (327855551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56511 + ... + 62041.

It is an arithmetic number, because the mean of its divisors is an integer number (14327880).

Almost surely, 2^327855556 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 327855556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343869120).

327855556 is an abundant number, since it is smaller than the sum of its proper divisors (359882684).

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

327855556 is a wasteful number, since it uses less digits than its factorization.

327855556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644 (or 5642 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 46.

The square root of 327855556 is about 18106.7820443059. The cubic root of 327855556 is about 689.5421986004.

The spelling of 327855556 in words is "three hundred twenty-seven million, eight hundred fifty-five thousand, five hundred fifty-six".