28322671 has 8 divisors (see below), whose sum is σ = 30870000. Its totient is φ = 25828032.

The previous prime is 28322653. The next prime is 28322687. The reversal of 28322671 is 17622382.

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 28322671 - 2⁵ = 28322639 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 (28322611) 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, 12046 + ... + 14203.

It is an arithmetic number, because the mean of its divisors is an integer number (3858750).

Almost surely, 2^28322671 is an apocalyptic number.

28322671 is a deficient number, since it is larger than the sum of its proper divisors (2547329).

28322671 is a wasteful number, since it uses less digits than its factorization.

28322671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26345.

The product of its digits is 8064, while the sum is 31.

The square root of 28322671 is about 5321.9048281607. The cubic root of 28322671 is about 304.8208963693.

The spelling of 28322671 in words is "twenty-eight million, three hundred twenty-two thousand, six hundred seventy-one".