344681378 has 16 divisors (see below), whose sum is σ = 529574496. Its totient is φ = 168164640.

The previous prime is 344681369. The next prime is 344681401. The reversal of 344681378 is 873186443.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170393 + ... + 172403.

It is an arithmetic number, because the mean of its divisors is an integer number (33098406).

Almost surely, 2^344681378 is an apocalyptic number.

344681378 is a deficient number, since it is larger than the sum of its proper divisors (184893118).

344681378 is a wasteful number, since it uses less digits than its factorization.

344681378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049.

The product of its digits is 387072, while the sum is 44.

The square root of 344681378 is about 18565.5966238632. The cubic root of 344681378 is about 701.1419306796.

The spelling of 344681378 in words is "three hundred forty-four million, six hundred eighty-one thousand, three hundred seventy-eight".