28450048 has 36 divisors (see below), whose sum is σ = 61957728. Its totient is φ = 12930560.

The previous prime is 28450031. The next prime is 28450067. The reversal of 28450048 is 84005482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2236 + ... + 7867.

It is an arithmetic number, because the mean of its divisors is an integer number (1721048).

Almost surely, 2^28450048 is an apocalyptic number.

It is an amenable number.

28450048 is an abundant number, since it is smaller than the sum of its proper divisors (33507680).

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

28450048 is a wasteful number, since it uses less digits than its factorization.

28450048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10130 (or 10116 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 28450048 is about 5333.8586407965. The cubic root of 28450048 is about 305.2771752497.

The spelling of 28450048 in words is "twenty-eight million, four hundred fifty thousand, forty-eight".