3504224 has 12 divisors (see below), whose sum is σ = 6899004. Its totient is φ = 1752096.

The previous prime is 3504223. The next prime is 3504239. The reversal of 3504224 is 4224053.

It is a junction number, because it is equal to n+sod(n) for n = 3504196 and 3504205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3504223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54722 + ... + 54785.

It is an arithmetic number, because the mean of its divisors is an integer number (574917).

Almost surely, 2^3504224 is an apocalyptic number.

It is an amenable number.

3504224 is a deficient number, since it is larger than the sum of its proper divisors (3394780).

3504224 is a wasteful number, since it uses less digits than its factorization.

3504224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109517 (or 109509 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 3504224 is about 1871.9572644695. The cubic root of 3504224 is about 151.8905028573.

Adding to 3504224 its reverse (4224053), we get a palindrome (7728277).

The spelling of 3504224 in words is "three million, five hundred four thousand, two hundred twenty-four".