327561696 has 144 divisors (see below), whose sum is σ = 1161433728. Its totient is φ = 85075200.

The previous prime is 327561679. The next prime is 327561697. The reversal of 327561696 is 696165723.

327561696 is a `hidden beast` number, since 3 + 27 + 5 + 616 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327561697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14791 + ... + 29561.

It is an arithmetic number, because the mean of its divisors is an integer number (8065512).

Almost surely, 2^327561696 is an apocalyptic number.

327561696 is a gapful number since it is divisible by the number (36) 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 327561696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580716864).

327561696 is an abundant number, since it is smaller than the sum of its proper divisors (833872032).

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

327561696 is a wasteful number, since it uses less digits than its factorization.

327561696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14805 (or 14794 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 327561696 is about 18098.6655861696. The cubic root of 327561696 is about 689.3361226458.

The spelling of 327561696 in words is "three hundred twenty-seven million, five hundred sixty-one thousand, six hundred ninety-six".