28967883 has 8 divisors (see below), whose sum is σ = 44141568. Its totient is φ = 16553064.

The previous prime is 28967831. The next prime is 28967891. The reversal of 28967883 is 38876982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28967883 - 2⁶ = 28967819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28967893) by changing a digit.

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, 689691 + ... + 689732.

It is an arithmetic number, because the mean of its divisors is an integer number (5517696).

Almost surely, 2^28967883 is an apocalyptic number.

28967883 is a deficient number, since it is larger than the sum of its proper divisors (15173685).

28967883 is a wasteful number, since it uses less digits than its factorization.

28967883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379433.

The product of its digits is 1161216, while the sum is 51.

The square root of 28967883 is about 5382.1819924637. The cubic root of 28967883 is about 307.1182227429.

Subtracting 28967883 from its reverse (38876982), we obtain a palindrome (9909099).

The spelling of 28967883 in words is "twenty-eight million, nine hundred sixty-seven thousand, eight hundred eighty-three".