28456562 has 8 divisors (see below), whose sum is σ = 42736896. Its totient is φ = 14210932.

The previous prime is 28456541. The next prime is 28456567. The reversal of 28456562 is 26565482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28456567) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6518 + ... + 9969.

It is an arithmetic number, because the mean of its divisors is an integer number (5342112).

Almost surely, 2^28456562 is an apocalyptic number.

28456562 is a deficient number, since it is larger than the sum of its proper divisors (14280334).

28456562 is a wasteful number, since it uses less digits than its factorization.

28456562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17352.

The product of its digits is 115200, while the sum is 38.

The square root of 28456562 is about 5334.4692332040. The cubic root of 28456562 is about 305.3004725012.

The spelling of 28456562 in words is "twenty-eight million, four hundred fifty-six thousand, five hundred sixty-two".