328297 has 4 divisors (see below), whose sum is σ = 329940. Its totient is φ = 326656.

The previous prime is 328291. The next prime is 328303. The reversal of 328297 is 792823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 792823 = 433 ⋅1831.

It is an interprime number because it is at equal distance from previous prime (328291) and next prime (328303).

It can be written as a sum of positive squares in 2 ways, for example, as 26896 + 301401 = 164^2 + 549^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328297 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3² + 2⁸ + 2¹⁶ + 8⁶ + 9 + 7³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472 + ... + 937.

It is an arithmetic number, because the mean of its divisors is an integer number (82485).

2³²⁸²⁹⁷ is an apocalyptic number.

It is an amenable number.

328297 is a deficient number, since it is larger than the sum of its proper divisors (1643).

328297 is a wasteful number, since it uses less digits than its factorization.

328297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642.

The product of its digits is 6048, while the sum is 31.

The square root of 328297 is about 572.9720761084. The cubic root of 328297 is about 68.9851539858.

It can be divided in two parts, 328 and 297, that added together give a 4-th power (625 = 5⁴).

The spelling of 328297 in words is "three hundred twenty-eight thousand, two hundred ninety-seven".