328624441 has 2 divisors, whose sum is σ = 328624442. Its totient is φ = 328624440.

The previous prime is 328624367. The next prime is 328624451. The reversal of 328624441 is 144426823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316092841 + 12531600 = 17779^2 + 3540^2 .

It is an emirp because it is prime and its reverse (144426823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 328624441 - 2⁹ = 328623929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 328624397 and 328624406.

It is not a weakly prime, because it can be changed into another prime (328624451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164312220 + 164312221.

It is an arithmetic number, because the mean of its divisors is an integer number (164312221).

Almost surely, 2^328624441 is an apocalyptic number.

It is an amenable number.

328624441 is a deficient number, since it is larger than the sum of its proper divisors (1).

328624441 is an equidigital number, since it uses as much as digits as its factorization.

328624441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 34.

The square root of 328624441 is about 18128.0015721535. The cubic root of 328624441 is about 690.0808145910.

The spelling of 328624441 in words is "three hundred twenty-eight million, six hundred twenty-four thousand, four hundred forty-one".