330402349 has 2 divisors, whose sum is σ = 330402350. Its totient is φ = 330402348.

The previous prime is 330402323. The next prime is 330402353. The reversal of 330402349 is 943204033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279892900 + 50509449 = 16730^2 + 7107^2 .

It is a cyclic number.

It is not a de Polignac number, because 330402349 - 2⁷ = 330402221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330402749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165201174 + 165201175.

It is an arithmetic number, because the mean of its divisors is an integer number (165201175).

Almost surely, 2^330402349 is an apocalyptic number.

It is an amenable number.

330402349 is a deficient number, since it is larger than the sum of its proper divisors (1).

330402349 is an equidigital number, since it uses as much as digits as its factorization.

330402349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 330402349 is about 18176.9730428364. The cubic root of 330402349 is about 691.3230576121.

The spelling of 330402349 in words is "three hundred thirty million, four hundred two thousand, three hundred forty-nine".