3478 has 8 divisors (see below), whose sum is σ = 5472. Its totient is φ = 1656.

The previous prime is 3469. The next prime is 3491. The reversal of 3478 is 8743.

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.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51 + ... + 97.

It is an arithmetic number, because the mean of its divisors is an integer number (684).

2³⁴⁷⁸ is an apocalyptic number.

3478 is a deficient number, since it is larger than the sum of its proper divisors (1994).

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 product of its digits is 672, while the sum is 22.

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".