344421773 has 2 divisors, whose sum is σ = 344421774. Its totient is φ = 344421772.

The previous prime is 344421761. The next prime is 344421809. The reversal of 344421773 is 377124443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321592489 + 22829284 = 17933^2 + 4778^2 .

It is a cyclic number.

It is not a de Polignac number, because 344421773 - 2⁶ = 344421709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344421713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172210886 + 172210887.

It is an arithmetic number, because the mean of its divisors is an integer number (172210887).

Almost surely, 2^344421773 is an apocalyptic number.

It is an amenable number.

344421773 is a deficient number, since it is larger than the sum of its proper divisors (1).

344421773 is an equidigital number, since it uses as much as digits as its factorization.

344421773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 35.

The square root of 344421773 is about 18558.6037459718. The cubic root of 344421773 is about 700.9658592126.

The spelling of 344421773 in words is "three hundred forty-four million, four hundred twenty-one thousand, seven hundred seventy-three".