28275982 has 8 divisors (see below), whose sum is σ = 48473136. Its totient is φ = 12118272.

The previous prime is 28275979. The next prime is 28275991. The reversal of 28275982 is 28957282.

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, 1009843 + ... + 1009870.

It is an arithmetic number, because the mean of its divisors is an integer number (6059142).

Almost surely, 2^28275982 is an apocalyptic number.

28275982 is a deficient number, since it is larger than the sum of its proper divisors (20197154).

28275982 is a wasteful number, since it uses less digits than its factorization.

28275982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019722.

The product of its digits is 161280, while the sum is 43.

The square root of 28275982 is about 5317.5165255973. The cubic root of 28275982 is about 304.6533084771.

The spelling of 28275982 in words is "twenty-eight million, two hundred seventy-five thousand, nine hundred eighty-two".