3724224 has 112 divisors (see below), whose sum is σ = 11996928. Its totient is φ = 995328.

The previous prime is 3724223. The next prime is 3724243. The reversal of 3724224 is 4224273.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (2688) is a multiple of the sum of its prime divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 3724194 and 3724203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3724223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22767 + ... + 22929.

Almost surely, 2^3724224 is an apocalyptic number.

3724224 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3724224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5998464).

3724224 is an abundant number, since it is smaller than the sum of its proper divisors (8272704).

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

3724224 is a wasteful number, since it uses less digits than its factorization.

3724224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 192 counting only the distinct ones).

The product of its digits is 2688, while the sum is 24.

The square root of 3724224 is about 1929.8248625199. The cubic root of 3724224 is about 155.0048420270.

Adding to 3724224 its reverse (4224273), we get a palindrome (7948497).

The spelling of 3724224 in words is "three million, seven hundred twenty-four thousand, two hundred twenty-four".