It is a sphenic number, since it is the product of 3 distinct primes.
It is an alternating number because its digits alternate between odd and even.
It is a plaindrome in base 10 and base 13.
It is a nialpdrome in base 16.
It is a congruent number.
It is an unprimeable number.
23478 is an apocalyptic number.
3478 is a wasteful number, since it uses less digits than its factorization.
3478 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86.
The square root of 3478 is about 58.9745707911. The cubic root of 3478 is about 15.1510660877.
Adding to 3478 its reverse (8743), we get a palindrome (12221).
The spelling of 3478 in words is "three thousand, four hundred seventy-eight".