3624224 has 24 divisors (see below), whose sum is σ = 7330428. Its totient is φ = 1762560.

The previous prime is 3624223. The next prime is 3624233. The reversal of 3624224 is 4224263.

It can be written as a sum of positive squares in 2 ways, for example, as 2755600 + 868624 = 1660^2 + 932^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3624224.

It is not an unprimeable number, because it can be changed into a prime (3624221) 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, 347 + ... + 2714.

Almost surely, 2^3624224 is an apocalyptic number.

It is an amenable number.

3624224 is an abundant number, since it is smaller than the sum of its proper divisors (3706204).

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

3624224 is a wasteful number, since it uses less digits than its factorization.

3624224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108 (or 3100 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 3624224 is about 1903.7394779749. The cubic root of 3624224 is about 153.6048790406.

Adding to 3624224 its reverse (4224263), we get a palindrome (7848487).

The spelling of 3624224 in words is "three million, six hundred twenty-four thousand, two hundred twenty-four".