343704642 has 32 divisors (see below), whose sum is σ = 730019520. Its totient is φ = 107573760.

The previous prime is 343704637. The next prime is 343704643. The reversal of 343704642 is 246407343.

It is not an unprimeable number, because it can be changed into a prime (343704643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459 + ... + 26222.

It is an arithmetic number, because the mean of its divisors is an integer number (22813110).

Almost surely, 2^343704642 is an apocalyptic number.

343704642 is an abundant number, since it is smaller than the sum of its proper divisors (386314878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343704642 is a wasteful number, since it uses less digits than its factorization.

343704642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26818.

The product of its (nonzero) digits is 48384, while the sum is 33.

The square root of 343704642 is about 18539.2729630911. The cubic root of 343704642 is about 700.4790204237.

The spelling of 343704642 in words is "three hundred forty-three million, seven hundred four thousand, six hundred forty-two".