330034391 has 2 divisors, whose sum is σ = 330034392. Its totient is φ = 330034390.

The previous prime is 330034381. The next prime is 330034433. The reversal of 330034391 is 193430033.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330034391 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 330034391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330034301) 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 as a sum of consecutive naturals, namely, 165017195 + 165017196.

It is an arithmetic number, because the mean of its divisors is an integer number (165017196).

Almost surely, 2^330034391 is an apocalyptic number.

330034391 is a deficient number, since it is larger than the sum of its proper divisors (1).

330034391 is an equidigital number, since it uses as much as digits as its factorization.

330034391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 330034391 is about 18166.8486810454. The cubic root of 330034391 is about 691.0663278607.

The spelling of 330034391 in words is "three hundred thirty million, thirty-four thousand, three hundred ninety-one".