344653979 has 4 divisors (see below), whose sum is σ = 345128784. Its totient is φ = 344179176.

The previous prime is 344653973. The next prime is 344653999. The reversal of 344653979 is 979356443.

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

It is a cyclic number.

It is not a de Polignac number, because 344653979 - 2⁸ = 344653723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344653973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236312 + ... + 237765.

It is an arithmetic number, because the mean of its divisors is an integer number (86282196).

Almost surely, 2^344653979 is an apocalyptic number.

344653979 is a deficient number, since it is larger than the sum of its proper divisors (474805).

344653979 is an equidigital number, since it uses as much as digits as its factorization.

344653979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474804.

The product of its digits is 2449440, while the sum is 50.

The square root of 344653979 is about 18564.8587120937. The cubic root of 344653979 is about 701.1233520753.

The spelling of 344653979 in words is "three hundred forty-four million, six hundred fifty-three thousand, nine hundred seventy-nine".