330406 has 4 divisors (see below), whose sum is σ = 495612. Its totient is φ = 165202.

The previous prime is 330389. The next prime is 330409. The reversal of 330406 is 604033.

It is a happy number.

330406 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604033 = 137 ⋅4409.

It is a self number, because there is not a number n which added to its sum of digits gives 330406.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 82600 + ... + 82603.

It is an arithmetic number, because the mean of its divisors is an integer number (123903).

2³³⁰⁴⁰⁶ is an apocalyptic number.

330406 is a deficient number, since it is larger than the sum of its proper divisors (165206).

330406 is a wasteful number, since it uses less digits than its factorization.

330406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165205.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 330406 is about 574.8095336718. The cubic root of 330406 is about 69.1325604014.

Adding to 330406 its reverse (604033), we get a palindrome (934439).

The spelling of 330406 in words is "three hundred thirty thousand, four hundred six".