28270982 has 8 divisors (see below), whose sum is σ = 42473376. Its totient is φ = 14113192.

The previous prime is 28270981. The next prime is 28271029. The reversal of 28270982 is 28907282.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28270981) 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, 9518 + ... + 12129.

It is an arithmetic number, because the mean of its divisors is an integer number (5309172).

Almost surely, 2^28270982 is an apocalyptic number.

28270982 is a deficient number, since it is larger than the sum of its proper divisors (14202394).

28270982 is a wasteful number, since it uses less digits than its factorization.

28270982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22302.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 28270982 is about 5317.0463605276. The cubic root of 28270982 is about 304.6353502875.

The spelling of 28270982 in words is "twenty-eight million, two hundred seventy thousand, nine hundred eighty-two".