328334401 has 2 divisors, whose sum is σ = 328334402. Its totient is φ = 328334400.

The previous prime is 328334353. The next prime is 328334449. The reversal of 328334401 is 104433823.

It is a Cunningham number, because it is equal to 18120²+1.

It is a balanced prime because it is at equal distance from previous prime (328334353) and next prime (328334449).

It can be written as a sum of positive squares in only one way, i.e., 328334400 + 1 = 18120^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 328334401 - 2¹¹ = 328332353 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328334401.

It is not a weakly prime, because it can be changed into another prime (328334701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164167200 + 164167201.

It is an arithmetic number, because the mean of its divisors is an integer number (164167201).

Almost surely, 2^328334401 is an apocalyptic number.

It is an amenable number.

328334401 is a deficient number, since it is larger than the sum of its proper divisors (1).

328334401 is an equidigital number, since it uses as much as digits as its factorization.

328334401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 328334401 is about 18120.0000275938. Note that the first 4 decimals coincide. The cubic root of 328334401 is about 689.8777358107.

The spelling of 328334401 in words is "three hundred twenty-eight million, three hundred thirty-four thousand, four hundred one".