28998782 has 8 divisors (see below), whose sum is σ = 44998200. Its totient is φ = 13999384.

The previous prime is 28998773. The next prime is 28998793. The reversal of 28998782 is 28789982.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249932 + ... + 250047.

It is an arithmetic number, because the mean of its divisors is an integer number (5624775).

Almost surely, 2^28998782 is an apocalyptic number.

28998782 is a deficient number, since it is larger than the sum of its proper divisors (15999418).

28998782 is a wasteful number, since it uses less digits than its factorization.

28998782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500010.

The product of its digits is 1161216, while the sum is 53.

The square root of 28998782 is about 5385.0517174861. The cubic root of 28998782 is about 307.2273812648.

The spelling of 28998782 in words is "twenty-eight million, nine hundred ninety-eight thousand, seven hundred eighty-two".