28956883 has 8 divisors (see below), whose sum is σ = 30382976. Its totient is φ = 27561600.

The previous prime is 28956871. The next prime is 28956887. The reversal of 28956883 is 38865982.

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

It is a cyclic number.

It is not a de Polignac number, because 28956883 - 2¹³ = 28948691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28956887) 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, 5766 + ... + 9547.

It is an arithmetic number, because the mean of its divisors is an integer number (3797872).

Almost surely, 2^28956883 is an apocalyptic number.

28956883 is a deficient number, since it is larger than the sum of its proper divisors (1426093).

28956883 is a wasteful number, since it uses less digits than its factorization.

28956883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15405.

The product of its digits is 829440, while the sum is 49.

The square root of 28956883 is about 5381.1600050547. The cubic root of 28956883 is about 307.0793437292.

Subtracting 28956883 from its reverse (38865982), we obtain a palindrome (9909099).

The spelling of 28956883 in words is "twenty-eight million, nine hundred fifty-six thousand, eight hundred eighty-three".