344480399 has 2 divisors, whose sum is σ = 344480400. Its totient is φ = 344480398.

The previous prime is 344480371. The next prime is 344480417. The reversal of 344480399 is 993084443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344480399 - 2¹² = 344476303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344480099) 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, 172240199 + 172240200.

It is an arithmetic number, because the mean of its divisors is an integer number (172240200).

Almost surely, 2^344480399 is an apocalyptic number.

344480399 is a deficient number, since it is larger than the sum of its proper divisors (1).

344480399 is an equidigital number, since it uses as much as digits as its factorization.

344480399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 344480399 is about 18560.1831618117. The cubic root of 344480399 is about 701.0056287590.

The spelling of 344480399 in words is "three hundred forty-four million, four hundred eighty thousand, three hundred ninety-nine".