344413121 has 4 divisors (see below), whose sum is σ = 370906452. Its totient is φ = 317919792.

The previous prime is 344413117. The next prime is 344413123. The reversal of 344413121 is 121314443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18105025 + 326308096 = 4255^2 + 18064^2 .

It is a cyclic number.

It is not a de Polignac number, because 344413121 - 2² = 344413117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344413123) by changing a digit.

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, 13246646 + ... + 13246671.

It is an arithmetic number, because the mean of its divisors is an integer number (92726613).

Almost surely, 2^344413121 is an apocalyptic number.

It is an amenable number.

344413121 is a deficient number, since it is larger than the sum of its proper divisors (26493331).

344413121 is a wasteful number, since it uses less digits than its factorization.

344413121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26493330.

The product of its digits is 1152, while the sum is 23.

The square root of 344413121 is about 18558.3706450755. The cubic root of 344413121 is about 700.9599896578.

Adding to 344413121 its reverse (121314443), we get a palindrome (465727564).

The spelling of 344413121 in words is "three hundred forty-four million, four hundred thirteen thousand, one hundred twenty-one".