344204320 has 48 divisors (see below), whose sum is σ = 823011840. Its totient is φ = 136017664.

The previous prime is 344204309. The next prime is 344204327. The reversal of 344204320 is 23402443.

It is a super-2 number, since 2×344204320² = 236953227813324800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344204291 and 344204300.

It is not an unprimeable number, because it can be changed into a prime (344204327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321 + ... + 26239.

It is an arithmetic number, because the mean of its divisors is an integer number (17146080).

Almost surely, 2^344204320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344204320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411505920).

344204320 is an abundant number, since it is smaller than the sum of its proper divisors (478807520).

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

344204320 is a wasteful number, since it uses less digits than its factorization.

344204320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26017 (or 26009 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 344204320 is about 18552.7442714009. The cubic root of 344204320 is about 700.8183083212.

Adding to 344204320 its reverse (23402443), we get a palindrome (367606763).

The spelling of 344204320 in words is "three hundred forty-four million, two hundred four thousand, three hundred twenty".