343478 has 8 divisors (see below), whose sum is σ = 517968. Its totient is φ = 170824.

The previous prime is 343433. The next prime is 343481. The reversal of 343478 is 874343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 343478.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343478.

It is an unprimeable number.

343478 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200 + ... + 852.

It is an arithmetic number, because the mean of its divisors is an integer number (64746).

2³⁴³⁴⁷⁸ is an apocalyptic number.

343478 is a deficient number, since it is larger than the sum of its proper divisors (174490).

343478 is a wasteful number, since it uses less digits than its factorization.

343478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918.

The product of its digits is 8064, while the sum is 29.

The square root of 343478 is about 586.0699616940. The cubic root of 343478 is about 70.0325019134.

The spelling of 343478 in words is "three hundred forty-three thousand, four hundred seventy-eight".