28676 has 12 divisors (see below), whose sum is σ = 51408. Its totient is φ = 13992.

The previous prime is 28669. The next prime is 28687. The reversal of 28676 is 67682.

It is a nialpdrome in base 14.

It is an unprimeable number.

28676 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215 + ... + 321.

It is an arithmetic number, because the mean of its divisors is an integer number (4284).

2²⁸⁶⁷⁶ is an apocalyptic number.

It is an amenable number.

28676 is a deficient number, since it is larger than the sum of its proper divisors (22732).

28676 is a wasteful number, since it uses less digits than its factorization.

28676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 176 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 28676 is about 169.3398948860. The cubic root of 28676 is about 30.6083221701.

It can be divided in two parts, 286 and 76, that multiplied together give a triangular number (21736 = T₂₀₈).

The spelling of 28676 in words is "twenty-eight thousand, six hundred seventy-six".