347801 has 2 divisors, whose sum is σ = 347802. Its totient is φ = 347800.

The previous prime is 347779. The next prime is 347813. The reversal of 347801 is 108743.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203401 + 144400 = 451^2 + 380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-347801 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 347801.

It is not a weakly prime, because it can be changed into another prime (347821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173900 + 173901.

It is an arithmetic number, because the mean of its divisors is an integer number (173901).

2³⁴⁷⁸⁰¹ is an apocalyptic number.

It is an amenable number.

347801 is a deficient number, since it is larger than the sum of its proper divisors (1).

347801 is an equidigital number, since it uses as much as digits as its factorization.

347801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 347801 is about 589.7465557339. The cubic root of 347801 is about 70.3250865698.

The spelling of 347801 in words is "three hundred forty-seven thousand, eight hundred one".