343404200 has 96 divisors (see below), whose sum is σ = 819322560. Its totient is φ = 133824000.

The previous prime is 343404181. The next prime is 343404203. The reversal of 343404200 is 2404343.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (343404203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2274125 + ... + 2274275.

It is an arithmetic number, because the mean of its divisors is an integer number (8534610).

Almost surely, 2^343404200 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 343404200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409661280).

343404200 is an abundant number, since it is smaller than the sum of its proper divisors (475918360).

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

343404200 is a wasteful number, since it uses less digits than its factorization.

343404200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 343404200 is about 18531.1683387745. The cubic root of 343404200 is about 700.2748580481.

Adding to 343404200 its reverse (2404343), we get a palindrome (345808543).

The spelling of 343404200 in words is "three hundred forty-three million, four hundred four thousand, two hundred".