28864848 has 40 divisors (see below), whose sum is σ = 74825568. Its totient is φ = 9588352.

The previous prime is 28864841. The next prime is 28864853. The reversal of 28864848 is 84846882.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 28864797 and 28864806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28864841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15790 + ... + 17522.

Almost surely, 2^28864848 is an apocalyptic number.

It is an amenable number.

28864848 is an abundant number, since it is smaller than the sum of its proper divisors (45960720).

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

28864848 is a wasteful number, since it uses less digits than its factorization.

28864848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091 (or 2085 counting only the distinct ones).

The product of its digits is 786432, while the sum is 48.

The square root of 28864848 is about 5372.6016044371. The cubic root of 28864848 is about 306.7536636187.

The spelling of 28864848 in words is "twenty-eight million, eight hundred sixty-four thousand, eight hundred forty-eight".