327941640 has 192 divisors, whose sum is σ = 1163635200. Its totient is φ = 79612416.

The previous prime is 327941629. The next prime is 327941641. The reversal of 327941640 is 46149723.

327941640 is a `hidden beast` number, since 3 + 2 + 7 + 9 + 4 + 1 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 327941595 and 327941604.

It is not an unprimeable number, because it can be changed into a prime (327941641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 369277 + ... + 370163.

It is an arithmetic number, because the mean of its divisors is an integer number (6060600).

Almost surely, 2^327941640 is an apocalyptic number.

327941640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 327941640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581817600).

327941640 is an abundant number, since it is smaller than the sum of its proper divisors (835693560).

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

327941640 is a wasteful number, since it uses less digits than its factorization.

327941640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 327941640 is about 18109.1590086343. The cubic root of 327941640 is about 689.6025436264.

The spelling of 327941640 in words is "three hundred twenty-seven million, nine hundred forty-one thousand, six hundred forty".