347922 has 32 divisors (see below), whose sum is σ = 820800. Its totient is φ = 108864.

The previous prime is 347899. The next prime is 347929. The reversal of 347922 is 229743.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (347929) by changing a digit.

347922 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 729 + ... + 1107.

It is an arithmetic number, because the mean of its divisors is an integer number (25650).

2³⁴⁷⁹²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 347922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410400).

347922 is an abundant number, since it is smaller than the sum of its proper divisors (472878).

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

347922 is a wasteful number, since it uses less digits than its factorization.

347922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 401 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 347922 is about 589.8491332536. The cubic root of 347922 is about 70.3332409923. Note that the first 3 decimals are identical.

The spelling of 347922 in words is "three hundred forty-seven thousand, nine hundred twenty-two".