343646013 has 16 divisors (see below), whose sum is σ = 478642176. Its totient is φ = 218895600.

The previous prime is 343646003. The next prime is 343646053. The reversal of 343646013 is 310646343.

It is not a de Polignac number, because 343646013 - 2⁶ = 343645949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343646003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77256 + ... + 81582.

It is an arithmetic number, because the mean of its divisors is an integer number (29915136).

Almost surely, 2^343646013 is an apocalyptic number.

It is an amenable number.

343646013 is a deficient number, since it is larger than the sum of its proper divisors (134996163).

343646013 is a wasteful number, since it uses less digits than its factorization.

343646013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 343646013 is about 18537.6916847810. The cubic root of 343646013 is about 700.4391890154.

The spelling of 343646013 in words is "three hundred forty-three million, six hundred forty-six thousand, thirteen".