326984089 has 2 divisors, whose sum is σ = 326984090. Its totient is φ = 326984088.

The previous prime is 326984087. The next prime is 326984111. The reversal of 326984089 is 980489623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319801689 + 7182400 = 17883^2 + 2680^2 .

It is a cyclic number.

It is not a de Polignac number, because 326984089 - 2¹ = 326984087 is a prime.

Together with 326984087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (326984087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163492044 + 163492045.

It is an arithmetic number, because the mean of its divisors is an integer number (163492045).

Almost surely, 2^326984089 is an apocalyptic number.

It is an amenable number.

326984089 is a deficient number, since it is larger than the sum of its proper divisors (1).

326984089 is an equidigital number, since it uses as much as digits as its factorization.

326984089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 326984089 is about 18082.7013745181. The cubic root of 326984089 is about 688.9307032092.

The spelling of 326984089 in words is "three hundred twenty-six million, nine hundred eighty-four thousand, eighty-nine".