344400334 has 8 divisors (see below), whose sum is σ = 517077288. Its totient is φ = 172041240.

The previous prime is 344400323. The next prime is 344400377. The reversal of 344400334 is 433004443.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×344400334² = 237223180118623112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344400299 and 344400308.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 76737 + ... + 81100.

It is an arithmetic number, because the mean of its divisors is an integer number (64634661).

Almost surely, 2^344400334 is an apocalyptic number.

344400334 is a deficient number, since it is larger than the sum of its proper divisors (172676954).

344400334 is a wasteful number, since it uses less digits than its factorization.

344400334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158930.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 344400334 is about 18558.0261342633. The cubic root of 344400334 is about 700.9513147209.

Adding to 344400334 its reverse (433004443), we get a palindrome (777404777).

The spelling of 344400334 in words is "three hundred forty-four million, four hundred thousand, three hundred thirty-four".