28926 has 12 divisors (see below), whose sum is σ = 62712. Its totient is φ = 9636.

The previous prime is 28921. The next prime is 28927. The reversal of 28926 is 62982.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 28926.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 28926.

It is not an unprimeable number, because it can be changed into a prime (28921) by changing a digit.

28926 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 5 ways as a sum of consecutive naturals, for example, 786 + ... + 821.

It is an arithmetic number, because the mean of its divisors is an integer number (5226).

2²⁸⁹²⁶ is an apocalyptic number.

28926 is an abundant number, since it is smaller than the sum of its proper divisors (33786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28926 is a wasteful number, since it uses less digits than its factorization.

28926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615 (or 1612 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 28926 is about 170.0764533967. The cubic root of 28926 is about 30.6970136478.

The spelling of 28926 in words is "twenty-eight thousand, nine hundred twenty-six".