334440289 has 2 divisors, whose sum is σ = 334440290. Its totient is φ = 334440288.

The previous prime is 334440257. The next prime is 334440331. The reversal of 334440289 is 982044433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187909264 + 146531025 = 13708^2 + 12105^2 .

It is a cyclic number.

It is not a de Polignac number, because 334440289 - 2⁵ = 334440257 is a prime.

It is a super-2 number, since 2×334440289² = 223700613812807042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (334440089) 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, 167220144 + 167220145.

It is an arithmetic number, because the mean of its divisors is an integer number (167220145).

Almost surely, 2^334440289 is an apocalyptic number.

It is an amenable number.

334440289 is a deficient number, since it is larger than the sum of its proper divisors (1).

334440289 is an equidigital number, since it uses as much as digits as its factorization.

334440289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 334440289 is about 18287.7086864375. The cubic root of 334440289 is about 694.1279464955.

The spelling of 334440289 in words is "three hundred thirty-four million, four hundred forty thousand, two hundred eighty-nine".