343146653 has 4 divisors (see below), whose sum is σ = 344645340. Its totient is φ = 341647968.

The previous prime is 343146611. The next prime is 343146673. The reversal of 343146653 is 356641343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 310393924 + 32752729 = 17618^2 + 5723^2 .

It is a cyclic number.

It is not a de Polignac number, because 343146653 - 2¹² = 343142557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343146673) 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 3 ways as a sum of consecutive naturals, for example, 749000 + ... + 749457.

It is an arithmetic number, because the mean of its divisors is an integer number (86161335).

Almost surely, 2^343146653 is an apocalyptic number.

It is an amenable number.

343146653 is a deficient number, since it is larger than the sum of its proper divisors (1498687).

343146653 is a wasteful number, since it uses less digits than its factorization.

343146653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498686.

The product of its digits is 77760, while the sum is 35.

The square root of 343146653 is about 18524.2180131848. The cubic root of 343146653 is about 700.0997497306.

Adding to 343146653 its reverse (356641343), we get a palindrome (699787996).

The spelling of 343146653 in words is "three hundred forty-three million, one hundred forty-six thousand, six hundred fifty-three".