344348869 has 2 divisors, whose sum is σ = 344348870. Its totient is φ = 344348868.

The previous prime is 344348831. The next prime is 344348881. The reversal of 344348869 is 968843443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339959844 + 4389025 = 18438^2 + 2095^2 .

It is a cyclic number.

It is not a de Polignac number, because 344348869 - 2⁹ = 344348357 is a prime.

It is a super-2 number, since 2×344348869² = 237152287163158322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344348819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172174434 + 172174435.

It is an arithmetic number, because the mean of its divisors is an integer number (172174435).

Almost surely, 2^344348869 is an apocalyptic number.

It is an amenable number.

344348869 is a deficient number, since it is larger than the sum of its proper divisors (1).

344348869 is an equidigital number, since it uses as much as digits as its factorization.

344348869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 49.

The square root of 344348869 is about 18556.6394856396. The cubic root of 344348869 is about 700.9163977431.

The spelling of 344348869 in words is "three hundred forty-four million, three hundred forty-eight thousand, eight hundred sixty-nine".