28718798 has 8 divisors (see below), whose sum is σ = 43164360. Its totient is φ = 14330680.

The previous prime is 28718783. The next prime is 28718801. The reversal of 28718798 is 89781782.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13088 + ... + 15123.

It is an arithmetic number, because the mean of its divisors is an integer number (5395545).

Almost surely, 2^28718798 is an apocalyptic number.

28718798 is a deficient number, since it is larger than the sum of its proper divisors (14445562).

28718798 is a wasteful number, since it uses less digits than its factorization.

28718798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28722.

The product of its digits is 451584, while the sum is 50.

The square root of 28718798 is about 5358.9922560123. The cubic root of 28718798 is about 306.2354191031.

The spelling of 28718798 in words is "twenty-eight million, seven hundred eighteen thousand, seven hundred ninety-eight".