28266466 has 16 divisors (see below), whose sum is σ = 43876728. Its totient is φ = 13648000.

The previous prime is 28266457. The next prime is 28266467. The reversal of 28266466 is 66466282.

It can be written as a sum of positive squares in 4 ways, for example, as 27931225 + 335241 = 5285^2 + 579^2 .

It is not an unprimeable number, because it can be changed into a prime (28266467) 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, 6576 + ... + 9988.

Almost surely, 2^28266466 is an apocalyptic number.

28266466 is a deficient number, since it is larger than the sum of its proper divisors (15610262).

28266466 is a wasteful number, since it uses less digits than its factorization.

28266466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557.

The product of its digits is 165888, while the sum is 40.

The square root of 28266466 is about 5316.6216717009. The cubic root of 28266466 is about 304.6191286307.

The spelling of 28266466 in words is "twenty-eight million, two hundred sixty-six thousand, four hundred sixty-six".