330421243 has 8 divisors (see below), whose sum is σ = 348012288. Its totient is φ = 313098984.

The previous prime is 330421241. The next prime is 330421271. The reversal of 330421243 is 342124033.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 330421243 - 2¹ = 330421241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330421241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64671 + ... + 69592.

It is an arithmetic number, because the mean of its divisors is an integer number (43501536).

Almost surely, 2^330421243 is an apocalyptic number.

330421243 is a deficient number, since it is larger than the sum of its proper divisors (17591045).

330421243 is a wasteful number, since it uses less digits than its factorization.

330421243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134393.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 330421243 is about 18177.4927589038. The cubic root of 330421243 is about 691.3362350900.

Adding to 330421243 its reverse (342124033), we get a palindrome (672545276).

The spelling of 330421243 in words is "three hundred thirty million, four hundred twenty-one thousand, two hundred forty-three".