903648228 has 24 divisors (see below), whose sum is σ = 2409728832. Its totient is φ = 258185184.

The previous prime is 903648211. The next prime is 903648253. The reversal of 903648228 is 822846309.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 903648228.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5378775 + ... + 5378942.

It is an arithmetic number, because the mean of its divisors is an integer number (100405368).

Almost surely, 2^903648228 is an apocalyptic number.

It is an amenable number.

903648228 is an abundant number, since it is smaller than the sum of its proper divisors (1506080604).

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

903648228 is a wasteful number, since it uses less digits than its factorization.

903648228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10757731 (or 10757729 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 903648228 is about 30060.7423062040. The cubic root of 903648228 is about 966.7921908076.

The spelling of 903648228 in words is "nine hundred three million, six hundred forty-eight thousand, two hundred twenty-eight".