344138334 has 16 divisors (see below), whose sum is σ = 690323088. Its totient is φ = 114371712.

The previous prime is 344138321. The next prime is 344138339. The reversal of 344138334 is 433831443.

It is a junction number, because it is equal to n+sod(n) for n = 344138295 and 344138304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344138339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83077 + ... + 87120.

It is an arithmetic number, because the mean of its divisors is an integer number (43145193).

Almost surely, 2^344138334 is an apocalyptic number.

344138334 is an abundant number, since it is smaller than the sum of its proper divisors (346184754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344138334 is a wasteful number, since it uses less digits than its factorization.

344138334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170539.

The product of its digits is 41472, while the sum is 33.

The square root of 344138334 is about 18550.9658508661. The cubic root of 344138334 is about 700.7735217902.

Adding to 344138334 its reverse (433831443), we get a palindrome (777969777).

The spelling of 344138334 in words is "three hundred forty-four million, one hundred thirty-eight thousand, three hundred thirty-four".