328335493 has 2 divisors, whose sum is σ = 328335494. Its totient is φ = 328335492.

The previous prime is 328335481. The next prime is 328335499. The reversal of 328335493 is 394533823.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261210244 + 67125249 = 16162^2 + 8193^2 .

It is a cyclic number.

It is not a de Polignac number, because 328335493 - 2⁵ = 328335461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328335499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164167746 + 164167747.

It is an arithmetic number, because the mean of its divisors is an integer number (164167747).

Almost surely, 2^328335493 is an apocalyptic number.

It is an amenable number.

328335493 is a deficient number, since it is larger than the sum of its proper divisors (1).

328335493 is an equidigital number, since it uses as much as digits as its factorization.

328335493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 40.

The square root of 328335493 is about 18120.0301600191. The cubic root of 328335493 is about 689.8785006261.

The spelling of 328335493 in words is "three hundred twenty-eight million, three hundred thirty-five thousand, four hundred ninety-three".