3718224 has 100 divisors (see below), whose sum is σ = 11403040. Its totient is φ = 1166400.

The previous prime is 3718207. The next prime is 3718229. The reversal of 3718224 is 4228173.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3718229) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24549 + ... + 24699.

Almost surely, 2^3718224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3718224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5701520).

3718224 is an abundant number, since it is smaller than the sum of its proper divisors (7684816).

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

3718224 is a wasteful number, since it uses less digits than its factorization.

3718224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 175 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 3718224 is about 1928.2696906813. The cubic root of 3718224 is about 154.9215558670.

The spelling of 3718224 in words is "three million, seven hundred eighteen thousand, two hundred twenty-four".