344409077 has 2 divisors, whose sum is σ = 344409078. Its totient is φ = 344409076.

The previous prime is 344409071. The next prime is 344409097. The reversal of 344409077 is 770904443.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338228881 + 6180196 = 18391^2 + 2486^2 .

It is a cyclic number.

It is not a de Polignac number, because 344409077 - 2¹² = 344404981 is a prime.

It is a super-2 number, since 2×344409077² = 237235224639983858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 344409077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344409071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172204538 + 172204539.

It is an arithmetic number, because the mean of its divisors is an integer number (172204539).

Almost surely, 2^344409077 is an apocalyptic number.

It is an amenable number.

344409077 is a deficient number, since it is larger than the sum of its proper divisors (1).

344409077 is an equidigital number, since it uses as much as digits as its factorization.

344409077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 344409077 is about 18558.2616912253. The cubic root of 344409077 is about 700.9572461568.

The spelling of 344409077 in words is "three hundred forty-four million, four hundred nine thousand, seventy-seven".