330628426 has 4 divisors (see below), whose sum is σ = 495942642. Its totient is φ = 165314212.

The previous prime is 330628373. The next prime is 330628429. The reversal of 330628426 is 624826033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 325766401 + 4862025 = 18049^2 + 2205^2 .

It is a junction number, because it is equal to n+sod(n) for n = 330628391 and 330628400.

It is not an unprimeable number, because it can be changed into a prime (330628429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82657105 + ... + 82657108.

Almost surely, 2^330628426 is an apocalyptic number.

330628426 is a deficient number, since it is larger than the sum of its proper divisors (165314216).

330628426 is a wasteful number, since it uses less digits than its factorization.

330628426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165314215.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 330628426 is about 18183.1907541003. The cubic root of 330628426 is about 691.4807003664.

The spelling of 330628426 in words is "three hundred thirty million, six hundred twenty-eight thousand, four hundred twenty-six".