347844 has 48 divisors (see below), whose sum is σ = 959616. Its totient is φ = 96000.

The previous prime is 347821. The next prime is 347849. The reversal of 347844 is 448743.

347844 = T₇₂ + T₇₃ + ... + T₁₃₄.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 347844.

It is not an unprimeable number, because it can be changed into a prime (347849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3394 + ... + 3494.

It is an arithmetic number, because the mean of its divisors is an integer number (19992).

2³⁴⁷⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 347844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479808).

347844 is an abundant number, since it is smaller than the sum of its proper divisors (611772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

347844 is a wasteful number, since it uses less digits than its factorization.

347844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 154 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 347844 is about 589.7830109456. The cubic root of 347844 is about 70.3279846390.

The spelling of 347844 in words is "three hundred forty-seven thousand, eight hundred forty-four".