28848744 has 32 divisors (see below), whose sum is σ = 80136000. Its totient is φ = 9616176.

The previous prime is 28848713. The next prime is 28848751. The reversal of 28848744 is 44784882.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28848744.

It is an unprimeable number.

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, 66564 + ... + 66995.

It is an arithmetic number, because the mean of its divisors is an integer number (2504250).

Almost surely, 2^28848744 is an apocalyptic number.

28848744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28848744 is an abundant number, since it is smaller than the sum of its proper divisors (51287256).

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

28848744 is a wasteful number, since it uses less digits than its factorization.

28848744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133574 (or 133564 counting only the distinct ones).

The product of its digits is 458752, while the sum is 45.

The square root of 28848744 is about 5371.1026800835. The cubic root of 28848744 is about 306.6966059827.

It can be divided in two parts, 28848 and 744, that added together give a palindrome (29592).

The spelling of 28848744 in words is "twenty-eight million, eight hundred forty-eight thousand, seven hundred forty-four".