343444626 has 72 divisors (see below), whose sum is σ = 868570560. Its totient is φ = 97793136.

The previous prime is 343444597. The next prime is 343444631. The reversal of 343444626 is 626444343.

343444626 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×343444626² = 235908422256559752, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 386755 + ... + 387641.

It is an arithmetic number, because the mean of its divisors is an integer number (12063480).

Almost surely, 2^343444626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343444626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434285280).

343444626 is an abundant number, since it is smaller than the sum of its proper divisors (525125934).

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

343444626 is a wasteful number, since it uses less digits than its factorization.

343444626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1338 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

The square root of 343444626 is about 18532.2590635896. The cubic root of 343444626 is about 700.3023360663.

Adding to 343444626 its reverse (626444343), we get a palindrome (969888969).

The spelling of 343444626 in words is "three hundred forty-three million, four hundred forty-four thousand, six hundred twenty-six".