330426 has 32 divisors (see below), whose sum is σ = 763200. Its totient is φ = 105840.

The previous prime is 330413. The next prime is 330427. The reversal of 330426 is 624033.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 330399 and 330408.

It is not an unprimeable number, because it can be changed into a prime (330427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1461 + ... + 1671.

It is an arithmetic number, because the mean of its divisors is an integer number (23850).

2³³⁰⁴²⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 330426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381600).

330426 is an abundant number, since it is smaller than the sum of its proper divisors (432774).

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

330426 is a wasteful number, since it uses less digits than its factorization.

330426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 330426 is about 574.8269304756. The cubic root of 330426 is about 69.1339552745.

Adding to 330426 its reverse (624033), we get a palindrome (954459).

The spelling of 330426 in words is "three hundred thirty thousand, four hundred twenty-six".