It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 349920.
349920 is a Friedman number, since it can be written as 4320*9*9, using all its digits and the basic arithmetic operations.
2349920 is an apocalyptic number.
349920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 349920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
349920 is an frugal number, since it uses more digits than its factorization.
349920 is an odious number, because the sum of its binary digits is odd.
The square root of 349920 is about 591.5403621056. The cubic root of 349920 is about 70.4676175410.
The spelling of 349920 in words is "three hundred forty-nine thousand, nine hundred twenty".