329418 has 12 divisors (see below), whose sum is σ = 713778. Its totient is φ = 109800.

The previous prime is 329401. The next prime is 329419. The reversal of 329418 is 814923.

It can be written as a sum of positive squares in only one way, i.e., 328329 + 1089 = 573^2 + 33^2 .

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 329391 and 329400.

It is not an unprimeable number, because it can be changed into a prime (329419) by changing a digit.

329418 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9133 + ... + 9168.

2³²⁹⁴¹⁸ is an apocalyptic number.

329418 is an abundant number, since it is smaller than the sum of its proper divisors (384360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

329418 is a wasteful number, since it uses less digits than its factorization.

329418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18309 (or 18306 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 329418 is about 573.9494751283. The cubic root of 329418 is about 69.0635834818.

It can be divided in two parts, 329 and 418, that added together give a palindrome (747).

The spelling of 329418 in words is "three hundred twenty-nine thousand, four hundred eighteen".