346144369 has 2 divisors, whose sum is σ = 346144370. Its totient is φ = 346144368.

The previous prime is 346144321. The next prime is 346144399. The reversal of 346144369 is 963441643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310288225 + 35856144 = 17615^2 + 5988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346144369 is a prime.

It is a super-2 number, since 2×346144369² = 239631848380816322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (346144399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173072184 + 173072185.

It is an arithmetic number, because the mean of its divisors is an integer number (173072185).

Almost surely, 2^346144369 is an apocalyptic number.

It is an amenable number.

346144369 is a deficient number, since it is larger than the sum of its proper divisors (1).

346144369 is an equidigital number, since it uses as much as digits as its factorization.

346144369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 40.

The square root of 346144369 is about 18604.9554957812. The cubic root of 346144369 is about 702.1325232826.

It can be divided in two parts, 34614 and 4369, that added together give a palindrome (38983).

The spelling of 346144369 in words is "three hundred forty-six million, one hundred forty-four thousand, three hundred sixty-nine".