28914827 has 16 divisors (see below), whose sum is σ = 31869600. Its totient is φ = 26127360.

The previous prime is 28914811. The next prime is 28914857. The reversal of 28914827 is 72841982.

It is a cyclic number.

It is not a de Polignac number, because 28914827 - 2⁴ = 28914811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28914857) 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 15 ways as a sum of consecutive naturals, for example, 53177 + ... + 53717.

It is an arithmetic number, because the mean of its divisors is an integer number (1991850).

Almost surely, 2^28914827 is an apocalyptic number.

28914827 is a deficient number, since it is larger than the sum of its proper divisors (2954773).

28914827 is a wasteful number, since it uses less digits than its factorization.

28914827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686.

The product of its digits is 64512, while the sum is 41.

The square root of 28914827 is about 5377.2508775396. The cubic root of 28914827 is about 306.9306078065.

The spelling of 28914827 in words is "twenty-eight million, nine hundred fourteen thousand, eight hundred twenty-seven".