344408377 has 2 divisors, whose sum is σ = 344408378. Its totient is φ = 344408376.

The previous prime is 344408329. The next prime is 344408381. The reversal of 344408377 is 773804443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250240761 + 94167616 = 15819^2 + 9704^2 .

It is a cyclic number.

It is not a de Polignac number, because 344408377 - 2¹⁹ = 343884089 is a prime.

It is not a weakly prime, because it can be changed into another prime (344408327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172204188 + 172204189.

It is an arithmetic number, because the mean of its divisors is an integer number (172204189).

Almost surely, 2^344408377 is an apocalyptic number.

It is an amenable number.

344408377 is a deficient number, since it is larger than the sum of its proper divisors (1).

344408377 is an equidigital number, since it uses as much as digits as its factorization.

344408377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 40.

The square root of 344408377 is about 18558.2428316907. The cubic root of 344408377 is about 700.9567712657.

The spelling of 344408377 in words is "three hundred forty-four million, four hundred eight thousand, three hundred seventy-seven".