349678 has 8 divisors (see below), whose sum is σ = 599472. Its totient is φ = 149856.

The previous prime is 349667. The next prime is 349697. The reversal of 349678 is 876943.

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 16.

It is a zygodrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12475 + ... + 12502.

It is an arithmetic number, because the mean of its divisors is an integer number (74934).

2³⁴⁹⁶⁷⁸ is an apocalyptic number.

349678 is a deficient number, since it is larger than the sum of its proper divisors (249794).

349678 is a wasteful number, since it uses less digits than its factorization.

349678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24986.

The product of its digits is 36288, while the sum is 37.

The square root of 349678 is about 591.3357760190. The cubic root of 349678 is about 70.4513689736.

The spelling of 349678 in words is "three hundred forty-nine thousand, six hundred seventy-eight".