347684 has 12 divisors (see below), whose sum is σ = 644364. Its totient is φ = 163584.

The previous prime is 347671. The next prime is 347707. The reversal of 347684 is 486743.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 107584 + 240100 = 328^2 + 490^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 347684.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 347684.

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, 2489 + ... + 2624.

It is an arithmetic number, because the mean of its divisors is an integer number (53697).

2³⁴⁷⁶⁸⁴ is an apocalyptic number.

347684 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

347684 is a deficient number, since it is larger than the sum of its proper divisors (296680).

347684 is a wasteful number, since it uses less digits than its factorization.

347684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5134 (or 5132 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 347684 is about 589.6473522369. The cubic root of 347684 is about 70.3171999163.

The spelling of 347684 in words is "three hundred forty-seven thousand, six hundred eighty-four".