333330989 has 2 divisors, whose sum is σ = 333330990. Its totient is φ = 333330988.

The previous prime is 333330983. The next prime is 333331049. The reversal of 333330989 is 989033333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238949764 + 94381225 = 15458^2 + 9715^2 .

It is a cyclic number.

It is not a de Polignac number, because 333330989 - 2¹² = 333326893 is a prime.

It is a super-2 number, since 2×333330989² = 222219096455436242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (333330983) 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, 166665494 + 166665495.

It is an arithmetic number, because the mean of its divisors is an integer number (166665495).

Almost surely, 2^333330989 is an apocalyptic number.

It is an amenable number.

333330989 is a deficient number, since it is larger than the sum of its proper divisors (1).

333330989 is an equidigital number, since it uses as much as digits as its factorization.

333330989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 41.

The square root of 333330989 is about 18257.3543811802. The cubic root of 333330989 is about 693.3596488769.

The spelling of 333330989 in words is "three hundred thirty-three million, three hundred thirty thousand, nine hundred eighty-nine".