346554449 has 2 divisors, whose sum is σ = 346554450. Its totient is φ = 346554448.

The previous prime is 346554349. The next prime is 346554493. The reversal of 346554449 is 944455643.

It is an a-pointer prime, because the next prime (346554493) can be obtained adding 346554449 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273571600 + 72982849 = 16540^2 + 8543^2 .

It is a cyclic number.

It is not a de Polignac number, because 346554449 - 2⁸ = 346554193 is a prime.

It is a super-2 number, since 2×346554449² = 240199972243387202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (346554499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173277224 + 173277225.

It is an arithmetic number, because the mean of its divisors is an integer number (173277225).

Almost surely, 2^346554449 is an apocalyptic number.

It is an amenable number.

346554449 is a deficient number, since it is larger than the sum of its proper divisors (1).

346554449 is an equidigital number, since it uses as much as digits as its factorization.

346554449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 44.

The square root of 346554449 is about 18615.9729533538. The cubic root of 346554449 is about 702.4096878620.

The spelling of 346554449 in words is "three hundred forty-six million, five hundred fifty-four thousand, four hundred forty-nine".