344244330 has 80 divisors (see below), whose sum is σ = 934074504. Its totient is φ = 90961920.

The previous prime is 344244293. The next prime is 344244331. The reversal of 344244330 is 33442443.

It can be written as a sum of positive squares in 4 ways, for example, as 161264601 + 182979729 = 12699^2 + 13527^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 344244294 and 344244303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344244331) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 89650 + ... + 93410.

Almost surely, 2^344244330 is an apocalyptic number.

344244330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 344244330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467037252).

344244330 is an abundant number, since it is smaller than the sum of its proper divisors (589830174).

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

344244330 is a wasteful number, since it uses less digits than its factorization.

344244330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893 (or 3884 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 344244330 is about 18553.8225172065. The cubic root of 344244330 is about 700.8454614320.

Adding to 344244330 its reverse (33442443), we get a palindrome (377686773).

The spelling of 344244330 in words is "three hundred forty-four million, two hundred forty-four thousand, three hundred thirty".