326120489 has 2 divisors, whose sum is σ = 326120490. Its totient is φ = 326120488.

The previous prime is 326120449. The next prime is 326120497. The reversal of 326120489 is 984021623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197683600 + 128436889 = 14060^2 + 11333^2 .

It is a cyclic number.

It is not a de Polignac number, because 326120489 - 2⁸ = 326120233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (326120429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163060244 + 163060245.

It is an arithmetic number, because the mean of its divisors is an integer number (163060245).

Almost surely, 2^326120489 is an apocalyptic number.

It is an amenable number.

326120489 is a deficient number, since it is larger than the sum of its proper divisors (1).

326120489 is an equidigital number, since it uses as much as digits as its factorization.

326120489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 326120489 is about 18058.8064112776. The cubic root of 326120489 is about 688.3236552110.

The spelling of 326120489 in words is "three hundred twenty-six million, one hundred twenty thousand, four hundred eighty-nine".