28799266 has 16 divisors (see below), whose sum is σ = 45287424. Its totient is φ = 13709344.

The previous prime is 28799249. The next prime is 28799273. The reversal of 28799266 is 66299782.

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, 9375 + ... + 12061.

It is an arithmetic number, because the mean of its divisors is an integer number (2830464).

Almost surely, 2^28799266 is an apocalyptic number.

28799266 is a deficient number, since it is larger than the sum of its proper divisors (16488158).

28799266 is a wasteful number, since it uses less digits than its factorization.

28799266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945.

The product of its digits is 653184, while the sum is 49.

The square root of 28799266 is about 5366.4947591515. The cubic root of 28799266 is about 306.5211689023.

The spelling of 28799266 in words is "twenty-eight million, seven hundred ninety-nine thousand, two hundred sixty-six".