28124464 has 10 divisors (see below), whose sum is σ = 54491180. Its totient is φ = 14062224.

The previous prime is 28124441. The next prime is 28124479. The reversal of 28124464 is 46442182.

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 as a sum of consecutive naturals, namely, 878874 + ... + 878905.

It is an arithmetic number, because the mean of its divisors is an integer number (5449118).

Almost surely, 2^28124464 is an apocalyptic number.

It is an amenable number.

28124464 is a deficient number, since it is larger than the sum of its proper divisors (26366716).

28124464 is a wasteful number, since it uses less digits than its factorization.

28124464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757787 (or 1757781 counting only the distinct ones).

The product of its digits is 12288, while the sum is 31.

The square root of 28124464 is about 5303.2503240937. The cubic root of 28124464 is about 304.1081678788.

The spelling of 28124464 in words is "twenty-eight million, one hundred twenty-four thousand, four hundred sixty-four".