3784228 has 12 divisors (see below), whose sum is σ = 7568512. Its totient is φ = 1621800.

The previous prime is 3784223. The next prime is 3784241. The reversal of 3784228 is 8224873.

3784228 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3784193 and 3784202.

It is not an unprimeable number, because it can be changed into a prime (3784223) 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, 67548 + ... + 67603.

Almost surely, 2^3784228 is an apocalyptic number.

It is an amenable number.

3784228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3784228 is a wasteful number, since it uses less digits than its factorization.

3784228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135162 (or 135160 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 3784228 is about 1945.3092299169. The cubic root of 3784228 is about 155.8328804229.

The spelling of 3784228 in words is "three million, seven hundred eighty-four thousand, two hundred twenty-eight".