347906 has 8 divisors (see below), whose sum is σ = 562044. Its totient is φ = 160560.

The previous prime is 347899. The next prime is 347929. The reversal of 347906 is 609743.

It can be written as a sum of positive squares in 2 ways, for example, as 292681 + 55225 = 541^2 + 235^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 347906.

It is an unprimeable number.

347906 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, 6665 + ... + 6716.

2³⁴⁷⁹⁰⁶ is an apocalyptic number.

347906 is a deficient number, since it is larger than the sum of its proper divisors (214138).

347906 is a wasteful number, since it uses less digits than its factorization.

347906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13396.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 347906 is about 589.8355703075. The cubic root of 347906 is about 70.3321628300.

The spelling of 347906 in words is "three hundred forty-seven thousand, nine hundred six".