344111378 has 18 divisors (see below), whose sum is σ = 559480959. Its totient is φ = 158663232.

The previous prime is 344111363. The next prime is 344111381. The reversal of 344111378 is 873111443.

It can be written as a sum of positive squares in 5 ways, for example, as 13126129 + 330985249 = 3623^2 + 18193^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=13117.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 340538 + ... + 341546.

Almost surely, 2^344111378 is an apocalyptic number.

344111378 is a deficient number, since it is larger than the sum of its proper divisors (215369581).

344111378 is an equidigital number, since it uses as much as digits as its factorization.

344111378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046 (or 1024 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 344111378 is about 18550.2392976479. The cubic root of 344111378 is about 700.7552243573.

Multiplying 344111378 by its sum of digits (32), we get a square (11011564096 = 104936²).

The spelling of 344111378 in words is "three hundred forty-four million, one hundred eleven thousand, three hundred seventy-eight".