28896834 has 16 divisors (see below), whose sum is σ = 60835680. Its totient is φ = 9125280.

The previous prime is 28896827. The next prime is 28896883. The reversal of 28896834 is 43869882.

It is a happy number.

It is a Curzon number.

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, 126627 + ... + 126854.

It is an arithmetic number, because the mean of its divisors is an integer number (3802230).

Almost surely, 2^28896834 is an apocalyptic number.

28896834 is an abundant number, since it is smaller than the sum of its proper divisors (31938846).

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

28896834 is a wasteful number, since it uses less digits than its factorization.

28896834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253505.

The product of its digits is 663552, while the sum is 48.

The square root of 28896834 is about 5375.5775503661. The cubic root of 28896834 is about 306.8669294227.

Subtracting from 28896834 its product of digits (663552), we obtain a palindrome (28233282).

The spelling of 28896834 in words is "twenty-eight million, eight hundred ninety-six thousand, eight hundred thirty-four".