347806 has 8 divisors (see below), whose sum is σ = 544464. Its totient is φ = 166320.

The previous prime is 347801. The next prime is 347813. The reversal of 347806 is 608743.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3735 + ... + 3826.

It is an arithmetic number, because the mean of its divisors is an integer number (68058).

2³⁴⁷⁸⁰⁶ is an apocalyptic number.

347806 is a deficient number, since it is larger than the sum of its proper divisors (196658).

347806 is a wasteful number, since it uses less digits than its factorization.

347806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7586.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 347806 is about 589.7507948278. The cubic root of 347806 is about 70.3254235669.

The spelling of 347806 in words is "three hundred forty-seven thousand, eight hundred six".