343867856 has 10 divisors (see below), whose sum is σ = 666244002. Its totient is φ = 171933920.

The previous prime is 343867817. The next prime is 343867879. The reversal of 343867856 is 658768343.

It can be written as a sum of positive squares in only one way, i.e., 334158400 + 9709456 = 18280^2 + 3116^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10745855 + ... + 10745886.

Almost surely, 2^343867856 is an apocalyptic number.

It is an amenable number.

343867856 is a deficient number, since it is larger than the sum of its proper divisors (322376146).

343867856 is a wasteful number, since it uses less digits than its factorization.

343867856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21491749 (or 21491743 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The square root of 343867856 is about 18543.6742853190. The cubic root of 343867856 is about 700.5898810065.

The spelling of 343867856 in words is "three hundred forty-three million, eight hundred sixty-seven thousand, eight hundred fifty-six".