343212404 has 12 divisors (see below), whose sum is σ = 601483428. Its totient is φ = 171360000.

The previous prime is 343212403. The next prime is 343212421. The reversal of 343212404 is 404212343.

It can be written as a sum of positive squares in 2 ways, for example, as 148888804 + 194323600 = 12202^2 + 13940^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 343212404.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58397 + ... + 64004.

It is an arithmetic number, because the mean of its divisors is an integer number (50123619).

Almost surely, 2^343212404 is an apocalyptic number.

It is an amenable number.

343212404 is a deficient number, since it is larger than the sum of its proper divisors (258271024).

343212404 is a wasteful number, since it uses less digits than its factorization.

343212404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123106 (or 123104 counting only the distinct ones).

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

The square root of 343212404 is about 18525.9926589643. The cubic root of 343212404 is about 700.1444627014.

Adding to 343212404 its reverse (404212343), we get a palindrome (747424747).

The spelling of 343212404 in words is "three hundred forty-three million, two hundred twelve thousand, four hundred four".