329287 has 4 divisors (see below), whose sum is σ = 376336. Its totient is φ = 282240.

The previous prime is 329281. The next prime is 329293. The reversal of 329287 is 782923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782923 = 227 ⋅3449.

It is an interprime number because it is at equal distance from previous prime (329281) and next prime (329293).

It is not a de Polignac number, because 329287 - 2¹⁵ = 296519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23514 + ... + 23527.

It is an arithmetic number, because the mean of its divisors is an integer number (94084).

2³²⁹²⁸⁷ is an apocalyptic number.

329287 is a deficient number, since it is larger than the sum of its proper divisors (47049).

329287 is an equidigital number, since it uses as much as digits as its factorization.

329287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47048.

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

The square root of 329287 is about 573.8353422368. The cubic root of 329287 is about 69.0544274056.

It can be divided in two parts, 329 and 287, that added together give a palindrome (616).

The spelling of 329287 in words is "three hundred twenty-nine thousand, two hundred eighty-seven".