340441369 has 2 divisors, whose sum is σ = 340441370. Its totient is φ = 340441368.

The previous prime is 340441307. The next prime is 340441397. The reversal of 340441369 is 963144043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339922969 + 518400 = 18437^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 340441369 - 2⁹ = 340440857 is a prime.

It is a super-2 number, since 2×340441369² = 231800651453188322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340441669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170220684 + 170220685.

It is an arithmetic number, because the mean of its divisors is an integer number (170220685).

Almost surely, 2^340441369 is an apocalyptic number.

It is an amenable number.

340441369 is a deficient number, since it is larger than the sum of its proper divisors (1).

340441369 is an equidigital number, since it uses as much as digits as its factorization.

340441369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 340441369 is about 18451.0533303657. The cubic root of 340441369 is about 698.2550887146.

The spelling of 340441369 in words is "three hundred forty million, four hundred forty-one thousand, three hundred sixty-nine".