327697081 has 4 divisors (see below), whose sum is σ = 329344000. Its totient is φ = 326050164.

The previous prime is 327697079. The next prime is 327697091. The reversal of 327697081 is 180796723.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 327697081 - 2¹ = 327697079 is a prime.

It is a super-2 number, since 2×327697081² = 214770753791841122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (327697091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823161 + ... + 823558.

It is an arithmetic number, because the mean of its divisors is an integer number (82336000).

Almost surely, 2^327697081 is an apocalyptic number.

It is an amenable number.

327697081 is a deficient number, since it is larger than the sum of its proper divisors (1646919).

327697081 is a wasteful number, since it uses less digits than its factorization.

327697081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646918.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 327697081 is about 18102.4053926543. The cubic root of 327697081 is about 689.4310797358.

The spelling of 327697081 in words is "three hundred twenty-seven million, six hundred ninety-seven thousand, eighty-one".