343813212 has 72 divisors (see below), whose sum is σ = 902210400. Its totient is φ = 110264448.

The previous prime is 343813207. The next prime is 343813229. The reversal of 343813212 is 212318343.

343813212 is a `hidden beast` number, since 3 + 438 + 13 + 212 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531073 + ... + 531719.

It is an arithmetic number, because the mean of its divisors is an integer number (12530700).

Almost surely, 2^343813212 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 343813212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451105200).

343813212 is an abundant number, since it is smaller than the sum of its proper divisors (558397188).

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

343813212 is a wasteful number, since it uses less digits than its factorization.

343813212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195 (or 1190 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 343813212 is about 18542.2008402455. The cubic root of 343813212 is about 700.5527688225.

The spelling of 343813212 in words is "three hundred forty-three million, eight hundred thirteen thousand, two hundred twelve".