28654248 has 128 divisors (see below), whose sum is σ = 88473600. Its totient is φ = 7547904.

The previous prime is 28654237. The next prime is 28654267. The reversal of 28654248 is 84245682.

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 31 ways as a sum of consecutive naturals, for example, 225561 + ... + 225687.

It is an arithmetic number, because the mean of its divisors is an integer number (691200).

Almost surely, 2^28654248 is an apocalyptic number.

28654248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28654248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44236800).

28654248 is an abundant number, since it is smaller than the sum of its proper divisors (59819352).

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

28654248 is a wasteful number, since it uses less digits than its factorization.

28654248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 235 counting only the distinct ones).

The product of its digits is 122880, while the sum is 39.

The square root of 28654248 is about 5352.9662804841. The cubic root of 28654248 is about 306.0058096210.

The spelling of 28654248 in words is "twenty-eight million, six hundred fifty-four thousand, two hundred forty-eight".