349478 has 8 divisors (see below), whose sum is σ = 527472. Its totient is φ = 173656.

The previous prime is 349477. The next prime is 349483. The reversal of 349478 is 874943.

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 congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 349478.

It is not an unprimeable number, because it can be changed into a prime (349471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50 + ... + 837.

It is an arithmetic number, because the mean of its divisors is an integer number (65934).

2³⁴⁹⁴⁷⁸ is an apocalyptic number.

349478 is a deficient number, since it is larger than the sum of its proper divisors (177994).

349478 is a wasteful number, since it uses less digits than its factorization.

349478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086.

The product of its digits is 24192, while the sum is 35.

The square root of 349478 is about 591.1666431726. The cubic root of 349478 is about 70.4379347465.

The spelling of 349478 in words is "three hundred forty-nine thousand, four hundred seventy-eight".