28468782 has 24 divisors (see below), whose sum is σ = 61785360. Its totient is φ = 9473760.

The previous prime is 28468763. The next prime is 28468813. The reversal of 28468782 is 28786482.

It is a happy number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 15682 + ... + 17402.

It is an arithmetic number, because the mean of its divisors is an integer number (2574390).

Almost surely, 2^28468782 is an apocalyptic number.

28468782 is an abundant number, since it is smaller than the sum of its proper divisors (33316578).

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

28468782 is a wasteful number, since it uses less digits than its factorization.

28468782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648 (or 2645 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 28468782 is about 5335.6144913215. The cubic root of 28468782 is about 305.3441676118.

It can be divided in two parts, 2846 and 8782, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 28468782 in words is "twenty-eight million, four hundred sixty-eight thousand, seven hundred eighty-two".