3200398321 has 2 divisors, whose sum is σ = 3200398322. Its totient is φ = 3200398320.

The previous prime is 3200398303. The next prime is 3200398339. The reversal of 3200398321 is 1238930023.

It is a balanced prime because it is at equal distance from previous prime (3200398303) and next prime (3200398339).

It can be written as a sum of positive squares in only one way, i.e., 3188183296 + 12215025 = 56464^2 + 3495^2 .

It is a cyclic number.

It is not a de Polignac number, because 3200398321 - 2¹⁷ = 3200267249 is a prime.

It is not a weakly prime, because it can be changed into another prime (3200398351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600199160 + 1600199161.

It is an arithmetic number, because the mean of its divisors is an integer number (1600199161).

Almost surely, 2^3200398321 is an apocalyptic number.

It is an amenable number.

3200398321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3200398321 is an equidigital number, since it uses as much as digits as its factorization.

3200398321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 3200398321 is about 56572.0630788731. The cubic root of 3200398321 is about 1473.6737397157.

The spelling of 3200398321 in words is "three billion, two hundred million, three hundred ninety-eight thousand, three hundred twenty-one".