330402 has 16 divisors (see below), whose sum is σ = 673920. Its totient is φ = 107952.

The previous prime is 330389. The next prime is 330409. The reversal of 330402 is 204033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202 + ... + 837.

It is an arithmetic number, because the mean of its divisors is an integer number (42120).

2³³⁰⁴⁰² is an apocalyptic number.

330402 is an abundant number, since it is smaller than the sum of its proper divisors (343518).

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

330402 is a wasteful number, since it uses less digits than its factorization.

330402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 330402 is about 574.8060542479. The cubic root of 330402 is about 69.1322814200.

Adding to 330402 its reverse (204033), we get a palindrome (534435).

The spelling of 330402 in words is "three hundred thirty thousand, four hundred two".