344021304 has 128 divisors (see below), whose sum is σ = 998438400. Its totient is φ = 97743360.

The previous prime is 344021269. The next prime is 344021311. The reversal of 344021304 is 403120443.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321282 + ... + 322350.

It is an arithmetic number, because the mean of its divisors is an integer number (7800300).

Almost surely, 2^344021304 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 344021304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499219200).

344021304 is an abundant number, since it is smaller than the sum of its proper divisors (654417096).

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

344021304 is a wasteful number, since it uses less digits than its factorization.

344021304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 344021304 is about 18547.8112994499. The cubic root of 344021304 is about 700.6940761959.

Adding to 344021304 its reverse (403120443), we get a palindrome (747141747).

The spelling of 344021304 in words is "three hundred forty-four million, twenty-one thousand, three hundred four".