344044403 has 4 divisors (see below), whose sum is σ = 344329248. Its totient is φ = 343759560.

The previous prime is 344044391. The next prime is 344044423. The reversal of 344044403 is 304440443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304440443 = 23 ⋅13236541.

It is a cyclic number.

It is not a de Polignac number, because 344044403 - 2²⁰ = 342995827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344044423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140603 + ... + 143028.

It is an arithmetic number, because the mean of its divisors is an integer number (86082312).

Almost surely, 2^344044403 is an apocalyptic number.

344044403 is a deficient number, since it is larger than the sum of its proper divisors (284845).

344044403 is a wasteful number, since it uses less digits than its factorization.

344044403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284844.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 344044403 is about 18548.4339770235. The cubic root of 344044403 is about 700.7097583354.

Adding to 344044403 its reverse (304440443), we get a palindrome (648484846).

The spelling of 344044403 in words is "three hundred forty-four million, forty-four thousand, four hundred three".