28951027 has 8 divisors (see below), whose sum is σ = 33629792. Its totient is φ = 24408000.

The previous prime is 28951009. The next prime is 28951033. The reversal of 28951027 is 72015982.

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

It is a cyclic number.

It is not a de Polignac number, because 28951027 - 2¹¹ = 28948979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28950983 and 28951001.

It is not an unprimeable number, because it can be changed into a prime (28951007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33474 + ... + 34327.

It is an arithmetic number, because the mean of its divisors is an integer number (4203724).

Almost surely, 2^28951027 is an apocalyptic number.

28951027 is the 3107-th hex number.

28951027 is a deficient number, since it is larger than the sum of its proper divisors (4678765).

28951027 is an equidigital number, since it uses as much as digits as its factorization.

28951027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67869.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 28951027 is about 5380.6158569443. The cubic root of 28951027 is about 307.0586419399.

The spelling of 28951027 in words is "twenty-eight million, nine hundred fifty-one thousand, twenty-seven".