3857228 has 12 divisors (see below), whose sum is σ = 7105560. Its totient is φ = 1827072.

The previous prime is 3857207. The next prime is 3857233. The reversal of 3857228 is 8227583.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25301 + ... + 25452.

It is an arithmetic number, because the mean of its divisors is an integer number (592130).

Almost surely, 2^3857228 is an apocalyptic number.

3857228 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3857228 is a deficient number, since it is larger than the sum of its proper divisors (3248332).

3857228 is a wasteful number, since it uses less digits than its factorization.

3857228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50776 (or 50774 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 3857228 is about 1963.9826883147. The cubic root of 3857228 is about 156.8285415037.

The spelling of 3857228 in words is "three million, eight hundred fifty-seven thousand, two hundred twenty-eight".