3748224 has 64 divisors (see below), whose sum is σ = 10232640. Its totient is φ = 1214976.

The previous prime is 3748219. The next prime is 3748229. The reversal of 3748224 is 4228473.

3748224 = T₅₆ + T₅₇ + ... + T₂₈₂.

It is an interprime number because it is at equal distance from previous prime (3748219) and next prime (3748229).

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 3748191 and 3748200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3748229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16399 + ... + 16625.

It is an arithmetic number, because the mean of its divisors is an integer number (159885).

Almost surely, 2^3748224 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 3748224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5116320).

3748224 is an abundant number, since it is smaller than the sum of its proper divisors (6484416).

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

3748224 is a wasteful number, since it uses less digits than its factorization.

3748224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 275 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 3748224 is about 1936.0330575690. The cubic root of 3748224 is about 155.3370950029.

Subtracting 3748224 from its reverse (4228473), we obtain a square (480249 = 693²).

The spelling of 3748224 in words is "three million, seven hundred forty-eight thousand, two hundred twenty-four".