28496673 has 6 divisors (see below), whose sum is σ = 41161874. Its totient is φ = 18997776.

The previous prime is 28496651. The next prime is 28496693. The reversal of 28496673 is 37669482.

It can be written as a sum of positive squares in only one way, i.e., 23882769 + 4613904 = 4887^2 + 2148^2 .

It is not a de Polignac number, because 28496673 - 2¹⁸ = 28234529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28496603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1583140 + ... + 1583157.

Almost surely, 2^28496673 is an apocalyptic number.

It is an amenable number.

28496673 is a deficient number, since it is larger than the sum of its proper divisors (12665201).

28496673 is a wasteful number, since it uses less digits than its factorization.

28496673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166303 (or 3166300 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 28496673 is about 5338.2275148218. The cubic root of 28496673 is about 305.4438507726.

The spelling of 28496673 in words is "twenty-eight million, four hundred ninety-six thousand, six hundred seventy-three".