330989873 has 2 divisors, whose sum is σ = 330989874. Its totient is φ = 330989872.

The previous prime is 330989863. The next prime is 330989887. The reversal of 330989873 is 378989033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330985249 + 4624 = 18193^2 + 68^2 .

It is a cyclic number.

It is not a de Polignac number, because 330989873 - 2⁶ = 330989809 is a prime.

It is a super-2 number, since 2×330989873² = 219108592057112258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (330989833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165494936 + 165494937.

It is an arithmetic number, because the mean of its divisors is an integer number (165494937).

Almost surely, 2^330989873 is an apocalyptic number.

It is an amenable number.

330989873 is a deficient number, since it is larger than the sum of its proper divisors (1).

330989873 is an equidigital number, since it uses as much as digits as its factorization.

330989873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 330989873 is about 18193.1270814008. The cubic root of 330989873 is about 691.7325869592.

The spelling of 330989873 in words is "three hundred thirty million, nine hundred eighty-nine thousand, eight hundred seventy-three".