28379 has 8 divisors (see below), whose sum is σ = 31920. Its totient is φ = 25056.

The previous prime is 28351. The next prime is 28387. The reversal of 28379 is 97382.

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 28379 - 2⁸ = 28123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452 + ... + 510.

It is an arithmetic number, because the mean of its divisors is an integer number (3990).

2²⁸³⁷⁹ is an apocalyptic number.

28379 is a deficient number, since it is larger than the sum of its proper divisors (3541).

28379 is a wasteful number, since it uses less digits than its factorization.

28379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109.

The product of its digits is 3024, while the sum is 29.

The square root of 28379 is about 168.4606779044. The cubic root of 28379 is about 30.5022841611.

The spelling of 28379 in words is "twenty-eight thousand, three hundred seventy-nine".