329887 has 4 divisors (see below), whose sum is σ = 334480. Its totient is φ = 325296.

The previous prime is 329873. The next prime is 329891. The reversal of 329887 is 788923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788923 = 23 ⋅34301.

It is a cyclic number.

It is not a de Polignac number, because 329887 - 2¹¹ = 327839 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 (329867) 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, 2187 + ... + 2332.

It is an arithmetic number, because the mean of its divisors is an integer number (83620).

2³²⁹⁸⁸⁷ is an apocalyptic number.

329887 is a deficient number, since it is larger than the sum of its proper divisors (4593).

329887 is an equidigital number, since it uses as much as digits as its factorization.

329887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592.

The product of its digits is 24192, while the sum is 37.

The square root of 329887 is about 574.3579023571. The cubic root of 329887 is about 69.0963437448.

It can be divided in two parts, 3 and 29887, that added together give a triangular number (29890 = T₂₄₄).

The spelling of 329887 in words is "three hundred twenty-nine thousand, eight hundred eighty-seven".