28827338 has 8 divisors (see below), whose sum is σ = 43309188. Its totient is φ = 14390944.

The previous prime is 28827307. The next prime is 28827347. The reversal of 28827338 is 83372882.

It can be written as a sum of positive squares in 2 ways, for example, as 28058209 + 769129 = 5297^2 + 877^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28827295 and 28827304.

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, 9731 + ... + 12342.

Almost surely, 2^28827338 is an apocalyptic number.

28827338 is a deficient number, since it is larger than the sum of its proper divisors (14481850).

28827338 is a wasteful number, since it uses less digits than its factorization.

28827338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22728.

The product of its digits is 129024, while the sum is 41.

The square root of 28827338 is about 5369.1096096094. The cubic root of 28827338 is about 306.6207300969.

The spelling of 28827338 in words is "twenty-eight million, eight hundred twenty-seven thousand, three hundred thirty-eight".