28016026 has 4 divisors (see below), whose sum is σ = 42024042. Its totient is φ = 14008012.

The previous prime is 28016011. The next prime is 28016029. The reversal of 28016026 is 62061082.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24950025 + 3066001 = 4995^2 + 1751^2 .

It is not an unprimeable number, because it can be changed into a prime (28016029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7004005 + ... + 7004008.

Almost surely, 2^28016026 is an apocalyptic number.

28016026 is a deficient number, since it is larger than the sum of its proper divisors (14008016).

28016026 is a wasteful number, since it uses less digits than its factorization.

28016026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14008015.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 28016026 is about 5293.0167201701. The cubic root of 28016026 is about 303.7168199177.

The spelling of 28016026 in words is "twenty-eight million, sixteen thousand, twenty-six".