3851224 has 32 divisors (see below), whose sum is σ = 8190000. Its totient is φ = 1683072.

The previous prime is 3851213. The next prime is 3851279. The reversal of 3851224 is 4221583.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002 + ... + 2950.

Almost surely, 2^3851224 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 3851224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4095000).

3851224 is an abundant number, since it is smaller than the sum of its proper divisors (4338776).

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

3851224 is a wasteful number, since it uses less digits than its factorization.

3851224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987 (or 1983 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 3851224 is about 1962.4535663297. The cubic root of 3851224 is about 156.7471283285.

The spelling of 3851224 in words is "three million, eight hundred fifty-one thousand, two hundred twenty-four".