330987 has 8 divisors (see below), whose sum is σ = 455680. Its totient is φ = 213480.

The previous prime is 330983. The next prime is 330997. The reversal of 330987 is 789033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 330987 - 2² = 330983 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 330987.

It is not an unprimeable number, because it can be changed into a prime (330983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1687 + ... + 1872.

It is an arithmetic number, because the mean of its divisors is an integer number (56960).

2³³⁰⁹⁸⁷ is an apocalyptic number.

330987 is a deficient number, since it is larger than the sum of its proper divisors (124693).

330987 is a wasteful number, since it uses less digits than its factorization.

330987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 330987 is about 575.3146964923. The cubic root of 330987 is about 69.1730585535.

The spelling of 330987 in words is "three hundred thirty thousand, nine hundred eighty-seven".