328422761 has 2 divisors, whose sum is σ = 328422762. Its totient is φ = 328422760.

The previous prime is 328422749. The next prime is 328422769. The reversal of 328422761 is 167224823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290907136 + 37515625 = 17056^2 + 6125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328422761 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (328422769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164211380 + 164211381.

It is an arithmetic number, because the mean of its divisors is an integer number (164211381).

Almost surely, 2^328422761 is an apocalyptic number.

It is an amenable number.

328422761 is a deficient number, since it is larger than the sum of its proper divisors (1).

328422761 is an equidigital number, since it uses as much as digits as its factorization.

328422761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The square root of 328422761 is about 18122.4380534188. The cubic root of 328422761 is about 689.9396159438.

The spelling of 328422761 in words is "three hundred twenty-eight million, four hundred twenty-two thousand, seven hundred sixty-one".