3478228 has 12 divisors (see below), whose sum is σ = 6555220. Its totient is φ = 1605312.

The previous prime is 3478201. The next prime is 3478229. The reversal of 3478228 is 8228743.

It can be written as a sum of positive squares in 2 ways, for example, as 956484 + 2521744 = 978^2 + 1588^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3478193 and 3478202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33393 + ... + 33496.

Almost surely, 2^3478228 is an apocalyptic number.

It is an amenable number.

3478228 is a deficient number, since it is larger than the sum of its proper divisors (3076992).

3478228 is a wasteful number, since it uses less digits than its factorization.

3478228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66906 (or 66904 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 3478228 is about 1865.0008042894. Note that the first 3 decimals coincide. The cubic root of 3478228 is about 151.5139715609.

The spelling of 3478228 in words is "three million, four hundred seventy-eight thousand, two hundred twenty-eight".