344921379 has 16 divisors (see below), whose sum is σ = 502070400. Its totient is φ = 208890560.

The previous prime is 344921341. The next prime is 344921393. The reversal of 344921379 is 973129443.

It is a cyclic number.

It is not a de Polignac number, because 344921379 - 2¹⁷ = 344790307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344921379.

It is not an unprimeable number, because it can be changed into a prime (344921309) 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 15 ways as a sum of consecutive naturals, for example, 56047 + ... + 61895.

It is an arithmetic number, because the mean of its divisors is an integer number (31379400).

Almost surely, 2^344921379 is an apocalyptic number.

344921379 is a deficient number, since it is larger than the sum of its proper divisors (157149021).

344921379 is a wasteful number, since it uses less digits than its factorization.

344921379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7650.

The product of its digits is 163296, while the sum is 42.

The square root of 344921379 is about 18572.0590942415. The cubic root of 344921379 is about 701.3046275294.

The spelling of 344921379 in words is "three hundred forty-four million, nine hundred twenty-one thousand, three hundred seventy-nine".