327090661 has 6 divisors (see below), whose sum is σ = 335264786. Its totient is φ = 319111200.

The previous prime is 327090653. The next prime is 327090671. The reversal of 327090661 is 166090723.

It can be written as a sum of positive squares in 3 ways, for example, as 12737761 + 314352900 = 3569^2 + 17730^2 .

It is not a de Polignac number, because 327090661 - 2³ = 327090653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327090671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 95610 + ... + 98971.

Almost surely, 2^327090661 is an apocalyptic number.

It is an amenable number.

327090661 is a deficient number, since it is larger than the sum of its proper divisors (8174125).

327090661 is an equidigital number, since it uses as much as digits as its factorization.

327090661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194663 (or 194622 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 327090661 is about 18085.6479286754. The cubic root of 327090661 is about 689.0055414559.

The spelling of 327090661 in words is "three hundred twenty-seven million, ninety thousand, six hundred sixty-one".