3420224 has 14 divisors (see below), whose sum is σ = 6787134. Its totient is φ = 1710080.

The previous prime is 3420211. The next prime is 3420227. The reversal of 3420224 is 4220243.

It can be written as a sum of positive squares in only one way, i.e., 3097600 + 322624 = 1760^2 + 568^2 .

It is not an unprimeable number, because it can be changed into a prime (3420227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26657 + ... + 26784.

Almost surely, 2^3420224 is an apocalyptic number.

It is an amenable number.

3420224 is a deficient number, since it is larger than the sum of its proper divisors (3366910).

3420224 is an equidigital number, since it uses as much as digits as its factorization.

3420224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53453 (or 53443 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 3420224 is about 1849.3847625629. The cubic root of 3420224 is about 150.6670147311.

Adding to 3420224 its reverse (4220243), we get a palindrome (7640467).

The spelling of 3420224 in words is "three million, four hundred twenty thousand, two hundred twenty-four".