28495888 has 20 divisors (see below), whose sum is σ = 55702908. Its totient is φ = 14120960.

The previous prime is 28495867. The next prime is 28495889. The reversal of 28495888 is 88859482.

It can be written as a sum of positive squares in 2 ways, for example, as 7225344 + 21270544 = 2688^2 + 4612^2 .

It is not an unprimeable number, because it can be changed into a prime (28495889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6073 + ... + 9688.

Almost surely, 2^28495888 is an apocalyptic number.

It is an amenable number.

28495888 is a deficient number, since it is larger than the sum of its proper divisors (27207020).

28495888 is a wasteful number, since it uses less digits than its factorization.

28495888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15882 (or 15876 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 52.

The square root of 28495888 is about 5338.1539880374. The cubic root of 28495888 is about 305.4410460519.

The spelling of 28495888 in words is "twenty-eight million, four hundred ninety-five thousand, eight hundred eighty-eight".