28042 has 8 divisors (see below), whose sum is σ = 48096. Its totient is φ = 12012.

The previous prime is 28031. The next prime is 28051. The reversal of 28042 is 24082.

It is a sphenic number, since it is the product of 3 distinct primes.

28042 is a modest number, since divided by 42 gives 28 as remainder.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988 + ... + 1015.

It is an arithmetic number, because the mean of its divisors is an integer number (6012).

2²⁸⁰⁴² is an apocalyptic number.

28042 is a deficient number, since it is larger than the sum of its proper divisors (20054).

28042 is a wasteful number, since it uses less digits than its factorization.

28042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 28042 is about 167.4574572839. The cubic root of 28042 is about 30.3810650785.

The spelling of 28042 in words is "twenty-eight thousand, forty-two".