330341989 has 4 divisors (see below), whose sum is σ = 331278156. Its totient is φ = 329405824.

The previous prime is 330341981. The next prime is 330342007. The reversal of 330341989 is 989143033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 989143033 = 5881 ⋅168193.

It can be written as a sum of positive squares in 2 ways, for example, as 94965025 + 235376964 = 9745^2 + 15342^2 .

It is a cyclic number.

It is not a de Polignac number, because 330341989 - 2³ = 330341981 is a prime.

It is a super-2 number, since 2×330341989² = 218251659392952242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330341981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467554 + ... + 468259.

It is an arithmetic number, because the mean of its divisors is an integer number (82819539).

Almost surely, 2^330341989 is an apocalyptic number.

It is an amenable number.

330341989 is a deficient number, since it is larger than the sum of its proper divisors (936167).

330341989 is an equidigital number, since it uses as much as digits as its factorization.

330341989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936166.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 330341989 is about 18175.3126245465. The cubic root of 330341989 is about 691.2809566190.

The spelling of 330341989 in words is "three hundred thirty million, three hundred forty-one thousand, nine hundred eighty-nine".