344003340 has 96 divisors (see below), whose sum is σ = 990259200. Its totient is φ = 89185536.

The previous prime is 344003329. The next prime is 344003357. The reversal of 344003340 is 43300443.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560874 + ... + 561486.

It is an arithmetic number, because the mean of its divisors is an integer number (10315200).

Almost surely, 2^344003340 is an apocalyptic number.

344003340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344003340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495129600).

344003340 is an abundant number, since it is smaller than the sum of its proper divisors (646255860).

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

344003340 is a wasteful number, since it uses less digits than its factorization.

344003340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 344003340 is about 18547.3270311385. The cubic root of 344003340 is about 700.6818797734.

Adding to 344003340 its reverse (43300443), we get a palindrome (387303783).

The spelling of 344003340 in words is "three hundred forty-four million, three thousand, three hundred forty".