28892 has 12 divisors (see below), whose sum is σ = 52416. Its totient is φ = 13920.

The previous prime is 28879. The next prime is 28901. The reversal of 28892 is 29882.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

28892 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, 8 + ... + 240.

It is an arithmetic number, because the mean of its divisors is an integer number (4368).

2²⁸⁸⁹² is an apocalyptic number.

It is an amenable number.

28892 is a deficient number, since it is larger than the sum of its proper divisors (23524).

28892 is a wasteful number, since it uses less digits than its factorization.

28892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 266 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 28892 is about 169.9764689597. The cubic root of 28892 is about 30.6849817081.

Subtracting 28892 from its reverse (29882), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 2889 and 2, that multiplied together give a triangular number (5778 = T₁₀₇).

The spelling of 28892 in words is "twenty-eight thousand, eight hundred ninety-two".