344144677 has 4 divisors (see below), whose sum is σ = 344210860. Its totient is φ = 344078496.

The previous prime is 344144639. The next prime is 344144681. The reversal of 344144677 is 776441443.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 321162241 + 22982436 = 17921^2 + 4794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344144677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344144627) 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 in 3 ways as a sum of consecutive naturals, for example, 24558 + ... + 35935.

It is an arithmetic number, because the mean of its divisors is an integer number (86052715).

Almost surely, 2^344144677 is an apocalyptic number.

It is an amenable number.

344144677 is a deficient number, since it is larger than the sum of its proper divisors (66183).

344144677 is an equidigital number, since it uses as much as digits as its factorization.

344144677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66182.

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

The square root of 344144677 is about 18551.1368115272. The cubic root of 344144677 is about 700.7778272092. Note that the first 3 decimals are identical.

The spelling of 344144677 in words is "three hundred forty-four million, one hundred forty-four thousand, six hundred seventy-seven".