28876983 has 16 divisors (see below), whose sum is σ = 41266176. Its totient is φ = 17915040.

The previous prime is 28876963. The next prime is 28877021. The reversal of 28876983 is 38967882.

It is not a de Polignac number, because 28876983 - 2⁶ = 28876919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28876963) 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 15 ways as a sum of consecutive naturals, for example, 3103 + ... + 8208.

It is an arithmetic number, because the mean of its divisors is an integer number (2579136).

Almost surely, 2^28876983 is an apocalyptic number.

28876983 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

28876983 is a deficient number, since it is larger than the sum of its proper divisors (12389193).

28876983 is a wasteful number, since it uses less digits than its factorization.

28876983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11374.

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

The square root of 28876983 is about 5373.7308269023. The cubic root of 28876983 is about 306.7966447813.

It can be divided in two parts, 2887 and 6983, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 28876983 in words is "twenty-eight million, eight hundred seventy-six thousand, nine hundred eighty-three".