48921228 has 36 divisors (see below), whose sum is σ = 123963840. Its totient is φ = 16267296.

The previous prime is 48921227. The next prime is 48921239. The reversal of 48921228 is 82212984.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 48921192 and 48921201.

It is not an unprimeable number, because it can be changed into a prime (48921227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15826 + ... + 18662.

It is an arithmetic number, because the mean of its divisors is an integer number (3443440).

Almost surely, 2^48921228 is an apocalyptic number.

It is an amenable number.

48921228 is an abundant number, since it is smaller than the sum of its proper divisors (75042612).

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

48921228 is a wasteful number, since it uses less digits than its factorization.

48921228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326 (or 3321 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 48921228 is about 6994.3711654444. The cubic root of 48921228 is about 365.7343768317.

The spelling of 48921228 in words is "forty-eight million, nine hundred twenty-one thousand, two hundred twenty-eight".