343508673 has 4 divisors (see below), whose sum is σ = 458011568. Its totient is φ = 229005780.

The previous prime is 343508663. The next prime is 343508689. The reversal of 343508673 is 376805343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 343508673 - 2¹³ = 343500481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (343508603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57251443 + ... + 57251448.

It is an arithmetic number, because the mean of its divisors is an integer number (114502892).

Almost surely, 2^343508673 is an apocalyptic number.

It is an amenable number.

343508673 is a deficient number, since it is larger than the sum of its proper divisors (114502895).

343508673 is a wasteful number, since it uses less digits than its factorization.

343508673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114502894.

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 343508673 is about 18533.9869698886. The cubic root of 343508673 is about 700.3458651367.

The spelling of 343508673 in words is "three hundred forty-three million, five hundred eight thousand, six hundred seventy-three".