47649228 has 24 divisors (see below), whose sum is σ = 121289280. Its totient is φ = 14439120.

The previous prime is 47649223. The next prime is 47649247. The reversal of 47649228 is 82294674.

47649228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 47649228.

It is not an unprimeable number, because it can be changed into a prime (47649223) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 180358 + ... + 180621.

It is an arithmetic number, because the mean of its divisors is an integer number (5053720).

Almost surely, 2^47649228 is an apocalyptic number.

It is an amenable number.

47649228 is an abundant number, since it is smaller than the sum of its proper divisors (73640052).

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

47649228 is a wasteful number, since it uses less digits than its factorization.

47649228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360997 (or 360995 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 47649228 is about 6902.8420233988. The cubic root of 47649228 is about 362.5366824551.

The spelling of 47649228 in words is "forty-seven million, six hundred forty-nine thousand, two hundred twenty-eight".