347812 has 12 divisors (see below), whose sum is σ = 616140. Its totient is φ = 171776.

The previous prime is 347801. The next prime is 347813. The reversal of 347812 is 218743.

347812 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 2 ways, for example, as 207936 + 139876 = 456^2 + 374^2 .

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

It is not an unprimeable number, because it can be changed into a prime (347813) 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, 133 + ... + 844.

It is an arithmetic number, because the mean of its divisors is an integer number (51345).

2³⁴⁷⁸¹² is an apocalyptic number.

It is an amenable number.

347812 is a deficient number, since it is larger than the sum of its proper divisors (268328).

347812 is a wasteful number, since it uses less digits than its factorization.

347812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1068 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 347812 is about 589.7558817002. The cubic root of 347812 is about 70.3258279591.

The spelling of 347812 in words is "three hundred forty-seven thousand, eight hundred twelve".