28016042 has 8 divisors (see below), whose sum is σ = 42918336. Its totient is φ = 13709932.

The previous prime is 28016041. The next prime is 28016063. The reversal of 28016042 is 24061082.

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

It is a junction number, because it is equal to n+sod(n) for n = 28015999 and 28016017.

It is not an unprimeable number, because it can be changed into a prime (28016041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148928 + ... + 149115.

It is an arithmetic number, because the mean of its divisors is an integer number (5364792).

Almost surely, 2^28016042 is an apocalyptic number.

28016042 is a deficient number, since it is larger than the sum of its proper divisors (14902294).

28016042 is a wasteful number, since it uses less digits than its factorization.

28016042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298092.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 28016042 is about 5293.0182315953. The cubic root of 28016042 is about 303.7168777355.

The spelling of 28016042 in words is "twenty-eight million, sixteen thousand, forty-two".