343212400 has 60 divisors (see below), whose sum is σ = 830719152. Its totient is φ = 136261120.

The previous prime is 343212349. The next prime is 343212403. The reversal of 343212400 is 4212343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343212403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51669 + ... + 57931.

Almost surely, 2^343212400 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 343212400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415359576).

343212400 is an abundant number, since it is smaller than the sum of its proper divisors (487506752).

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

343212400 is a wasteful number, since it uses less digits than its factorization.

343212400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6418 (or 6407 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 343212400 is about 18525.9925510079. The cubic root of 343212400 is about 700.1444599815.

Adding to 343212400 its reverse (4212343), we get a palindrome (347424743).

The spelling of 343212400 in words is "three hundred forty-three million, two hundred twelve thousand, four hundred".