343686842 has 16 divisors (see below), whose sum is σ = 527091840. Its totient is φ = 167997888.

The previous prime is 343686829. The next prime is 343686857. The reversal of 343686842 is 248686343.

It is a junction number, because it is equal to n+sod(n) for n = 343686793 and 343686802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120509 + ... + 123327.

It is an arithmetic number, because the mean of its divisors is an integer number (32943240).

Almost surely, 2^343686842 is an apocalyptic number.

343686842 is a deficient number, since it is larger than the sum of its proper divisors (183404998).

343686842 is a wasteful number, since it uses less digits than its factorization.

343686842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165.

The product of its digits is 663552, while the sum is 44.

The square root of 343686842 is about 18538.7928949001. The cubic root of 343686842 is about 700.4669279270.

The spelling of 343686842 in words is "three hundred forty-three million, six hundred eighty-six thousand, eight hundred forty-two".