28085466 has 16 divisors (see below), whose sum is σ = 56253888. Its totient is φ = 9348000.

The previous prime is 28085459. The next prime is 28085489. The reversal of 28085466 is 66458082.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1491 + ... + 7641.

It is an arithmetic number, because the mean of its divisors is an integer number (3515868).

Almost surely, 2^28085466 is an apocalyptic number.

28085466 is an abundant number, since it is smaller than the sum of its proper divisors (28168422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28085466 is a wasteful number, since it uses less digits than its factorization.

28085466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6917.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 28085466 is about 5299.5722468894. The cubic root of 28085466 is about 303.9675418370.

The spelling of 28085466 in words is "twenty-eight million, eighty-five thousand, four hundred sixty-six".