978329 has 16 divisors (see below), whose sum is σ = 1167360. Its totient is φ = 810000.

The previous prime is 978323. The next prime is 978337. The reversal of 978329 is 923879.

It is a cyclic number.

It is not a de Polignac number, because 978329 - 2⁸ = 978073 is a prime.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 978292 and 978301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6404 + ... + 6554.

It is an arithmetic number, because the mean of its divisors is an integer number (72960).

2⁹⁷⁸³²⁹ is an apocalyptic number.

It is an amenable number.

978329 is a deficient number, since it is larger than the sum of its proper divisors (189031).

978329 is a wasteful number, since it uses less digits than its factorization.

978329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212.

The product of its digits is 27216, while the sum is 38.

The square root of 978329 is about 989.1051511341. The cubic root of 978329 is about 99.2723514516.

The spelling of 978329 in words is "nine hundred seventy-eight thousand, three hundred twenty-nine".