3478224 has 40 divisors (see below), whose sum is σ = 9052992. Its totient is φ = 1150720.

The previous prime is 3478201. The next prime is 3478229. The reversal of 3478224 is 4228743.

It is a Cunningham number, because it is equal to 1865²-1.

It is a junction number, because it is equal to n+sod(n) for n = 3478191 and 3478200.

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 7 ways as a sum of consecutive naturals, for example, 11029 + ... + 11339.

Almost surely, 2^3478224 is an apocalyptic number.

It is an amenable number.

3478224 is an abundant number, since it is smaller than the sum of its proper divisors (5574768).

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

3478224 is a wasteful number, since it uses less digits than its factorization.

3478224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 549 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 3478224 is about 1864.9997319035. Note that the first 3 decimals coincide. The cubic root of 3478224 is about 151.5139134800.

The spelling of 3478224 in words is "three million, four hundred seventy-eight thousand, two hundred twenty-four".