344432121 has 32 divisors (see below), whose sum is σ = 541790208. Its totient is φ = 192272640.

The previous prime is 344432117. The next prime is 344432129. The reversal of 344432121 is 121234443.

It is not a de Polignac number, because 344432121 - 2² = 344432117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344432091 and 344432100.

It is not an unprimeable number, because it can be changed into a prime (344432129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19836 + ... + 32898.

It is an arithmetic number, because the mean of its divisors is an integer number (16930944).

Almost surely, 2^344432121 is an apocalyptic number.

It is an amenable number.

344432121 is a deficient number, since it is larger than the sum of its proper divisors (197358087).

344432121 is a wasteful number, since it uses less digits than its factorization.

344432121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13141.

The product of its digits is 2304, while the sum is 24.

The square root of 344432121 is about 18558.8825364029. The cubic root of 344432121 is about 700.9728792121.

Adding to 344432121 its reverse (121234443), we get a palindrome (465666564).

The spelling of 344432121 in words is "three hundred forty-four million, four hundred thirty-two thousand, one hundred twenty-one".