343444212 has 60 divisors (see below), whose sum is σ = 922128900. Its totient is φ = 111383424.

The previous prime is 343444201. The next prime is 343444219. The reversal of 343444212 is 212444343.

It is a happy number.

343444212 is a `hidden beast` number, since 3 + 4 + 3 + 444 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 240746256 + 102697956 = 15516^2 + 10134^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343444219) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2337 + ... + 26312.

It is an arithmetic number, because the mean of its divisors is an integer number (15368815).

Almost surely, 2^343444212 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 343444212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461064450).

343444212 is an abundant number, since it is smaller than the sum of its proper divisors (578684688).

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

343444212 is a wasteful number, since it uses less digits than its factorization.

343444212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28702 (or 28691 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 343444212 is about 18532.2478938741. The cubic root of 343444212 is about 700.3020546767.

Adding to 343444212 its reverse (212444343), we get a palindrome (555888555).

The spelling of 343444212 in words is "three hundred forty-three million, four hundred forty-four thousand, two hundred twelve".