344272289 has 2 divisors, whose sum is σ = 344272290. Its totient is φ = 344272288.

The previous prime is 344272277. The next prime is 344272333. The reversal of 344272289 is 982272443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207849889 + 136422400 = 14417^2 + 11680^2 .

It is an emirp because it is prime and its reverse (982272443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344272289 - 2²⁸ = 75836833 is a prime.

It is not a weakly prime, because it can be changed into another prime (344272589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172136144 + 172136145.

It is an arithmetic number, because the mean of its divisors is an integer number (172136145).

Almost surely, 2^344272289 is an apocalyptic number.

It is an amenable number.

344272289 is a deficient number, since it is larger than the sum of its proper divisors (1).

344272289 is an equidigital number, since it uses as much as digits as its factorization.

344272289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The square root of 344272289 is about 18554.5759585068. The cubic root of 344272289 is about 700.8644347852.

The spelling of 344272289 in words is "three hundred forty-four million, two hundred seventy-two thousand, two hundred eighty-nine".