28026671 has 8 divisors (see below), whose sum is σ = 28513680. Its totient is φ = 27542592.

The previous prime is 28026643. The next prime is 28026679. The reversal of 28026671 is 17662082.

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 28026671 - 2¹⁴ = 28010287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28026679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27161 + ... + 28173.

It is an arithmetic number, because the mean of its divisors is an integer number (3564210).

Almost surely, 2^28026671 is an apocalyptic number.

28026671 is a deficient number, since it is larger than the sum of its proper divisors (487009).

28026671 is a wasteful number, since it uses less digits than its factorization.

28026671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 28026671 is about 5294.0221948911. The cubic root of 28026671 is about 303.7552819056.

The spelling of 28026671 in words is "twenty-eight million, twenty-six thousand, six hundred seventy-one".