343481678 has 16 divisors (see below), whose sum is σ = 550129536. Its totient is φ = 160452600.

The previous prime is 343481659. The next prime is 343481681. The reversal of 343481678 is 876184343.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84848 + ... + 88803.

It is an arithmetic number, because the mean of its divisors is an integer number (34383096).

Almost surely, 2^343481678 is an apocalyptic number.

343481678 is a deficient number, since it is larger than the sum of its proper divisors (206647858).

343481678 is a wasteful number, since it uses less digits than its factorization.

343481678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173719.

The product of its digits is 387072, while the sum is 44.

The square root of 343481678 is about 18533.2586988905. The cubic root of 343481678 is about 700.3275188441.

The spelling of 343481678 in words is "three hundred forty-three million, four hundred eighty-one thousand, six hundred seventy-eight".