328249 has 2 divisors, whose sum is σ = 328250. Its totient is φ = 328248.

The previous prime is 328243. The next prime is 328271. The reversal of 328249 is 942823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322624 + 5625 = 568^2 + 75^2 .

It is a cyclic number.

It is not a de Polignac number, because 328249 - 2⁷ = 328121 is a prime.

It is not a weakly prime, because it can be changed into another prime (328243) 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 as a sum of consecutive naturals, namely, 164124 + 164125.

It is an arithmetic number, because the mean of its divisors is an integer number (164125).

2³²⁸²⁴⁹ is an apocalyptic number.

It is an amenable number.

328249 is a deficient number, since it is larger than the sum of its proper divisors (1).

328249 is an equidigital number, since it uses as much as digits as its factorization.

328249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 328249 is about 572.9301877192. The cubic root of 328249 is about 68.9817917368.

Adding to 328249 its product of digits (3456), we get a triangular number (331705 = T₈₁₄).

It can be divided in two parts, 32 and 8249, that added together give a square (8281 = 91²).

The spelling of 328249 in words is "three hundred twenty-eight thousand, two hundred forty-nine".