28124336 has 10 divisors (see below), whose sum is σ = 54490932. Its totient is φ = 14062160.

The previous prime is 28124333. The next prime is 28124339. The reversal of 28124336 is 63342182.

It is an interprime number because it is at equal distance from previous prime (28124333) and next prime (28124339).

It is a junction number, because it is equal to n+sod(n) for n = 28124299 and 28124308.

It is not an unprimeable number, because it can be changed into a prime (28124333) 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 as a sum of consecutive naturals, namely, 878870 + ... + 878901.

Almost surely, 2^28124336 is an apocalyptic number.

It is an amenable number.

28124336 is a deficient number, since it is larger than the sum of its proper divisors (26366596).

28124336 is a wasteful number, since it uses less digits than its factorization.

28124336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757779 (or 1757773 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 28124336 is about 5303.2382560092. The cubic root of 28124336 is about 304.1077065260.

The spelling of 28124336 in words is "twenty-eight million, one hundred twenty-four thousand, three hundred thirty-six".