343421204 has 24 divisors (see below), whose sum is σ = 700862400. Its totient is φ = 147179928.

The previous prime is 343421201. The next prime is 343421209. The reversal of 343421204 is 402124343.

It is a self number, because there is not a number n which added to its sum of digits gives 343421204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343421201) 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 7 ways as a sum of consecutive naturals, for example, 123782 + ... + 126525.

It is an arithmetic number, because the mean of its divisors is an integer number (29202600).

Almost surely, 2^343421204 is an apocalyptic number.

It is an amenable number.

343421204 is an abundant number, since it is smaller than the sum of its proper divisors (357441196).

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

343421204 is a wasteful number, since it uses less digits than its factorization.

343421204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250332 (or 250316 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 343421204 is about 18531.6271276971. The cubic root of 343421204 is about 700.2864161256.

Adding to 343421204 its reverse (402124343), we get a palindrome (745545547).

The spelling of 343421204 in words is "three hundred forty-three million, four hundred twenty-one thousand, two hundred four".