329142489 has 32 divisors (see below), whose sum is σ = 510209280. Its totient is φ = 187047168.

The previous prime is 329142467. The next prime is 329142497. The reversal of 329142489 is 984241923.

It is a de Polignac number, because none of the positive numbers 2^k-329142489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 329142489.

It is not an unprimeable number, because it can be changed into a prime (329142419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19687 + ... + 32339.

It is an arithmetic number, because the mean of its divisors is an integer number (15944040).

Almost surely, 2^329142489 is an apocalyptic number.

329142489 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

329142489 is a deficient number, since it is larger than the sum of its proper divisors (181066791).

329142489 is a wasteful number, since it uses less digits than its factorization.

329142489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12721.

The product of its digits is 124416, while the sum is 42.

The square root of 329142489 is about 18142.2845584562. The cubic root of 329142489 is about 690.4432417797.

The spelling of 329142489 in words is "three hundred twenty-nine million, one hundred forty-two thousand, four hundred eighty-nine".