328493287 has 2 divisors, whose sum is σ = 328493288. Its totient is φ = 328493286.

The previous prime is 328493219. The next prime is 328493303. The reversal of 328493287 is 782394823.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 328493287 - 2¹¹ = 328491239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328493587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164246643 + 164246644.

It is an arithmetic number, because the mean of its divisors is an integer number (164246644).

Almost surely, 2^328493287 is an apocalyptic number.

328493287 is a deficient number, since it is larger than the sum of its proper divisors (1).

328493287 is an equidigital number, since it uses as much as digits as its factorization.

328493287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 328493287 is about 18124.3837688347. The cubic root of 328493287 is about 689.9889986344.

The spelling of 328493287 in words is "three hundred twenty-eight million, four hundred ninety-three thousand, two hundred eighty-seven".