343854673 has 4 divisors (see below), whose sum is σ = 345484528. Its totient is φ = 342224820.

The previous prime is 343854671. The next prime is 343854677. The reversal of 343854673 is 376458343.

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 a cyclic number.

It is not a de Polignac number, because 343854673 - 2¹ = 343854671 is a prime.

It is a super-2 number, since 2×343854673² = 236472072287873858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343854671) 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, 814611 + ... + 815032.

It is an arithmetic number, because the mean of its divisors is an integer number (86371132).

Almost surely, 2^343854673 is an apocalyptic number.

It is an amenable number.

343854673 is a deficient number, since it is larger than the sum of its proper divisors (1629855).

343854673 is a wasteful number, since it uses less digits than its factorization.

343854673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629854.

The product of its digits is 725760, while the sum is 43.

The square root of 343854673 is about 18543.3188237705. The cubic root of 343854673 is about 700.5809279603.

The spelling of 343854673 in words is "three hundred forty-three million, eight hundred fifty-four thousand, six hundred seventy-three".