28843982 has 8 divisors (see below), whose sum is σ = 43457256. Its totient is φ = 14358232.

The previous prime is 28843949. The next prime is 28843993. The reversal of 28843982 is 28934882.

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, 31313 + ... + 32220.

It is an arithmetic number, because the mean of its divisors is an integer number (5432157).

Almost surely, 2^28843982 is an apocalyptic number.

28843982 is a deficient number, since it is larger than the sum of its proper divisors (14613274).

28843982 is a wasteful number, since it uses less digits than its factorization.

28843982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63762.

The product of its digits is 221184, while the sum is 44.

The square root of 28843982 is about 5370.6593636164. The cubic root of 28843982 is about 306.6797298048.

The spelling of 28843982 in words is "twenty-eight million, eight hundred forty-three thousand, nine hundred eighty-two".