28326771 has 12 divisors (see below), whose sum is σ = 44636280. Its totient is φ = 17167680.

The previous prime is 28326769. The next prime is 28326773. The reversal of 28326771 is 17762382.

It is an interprime number because it is at equal distance from previous prime (28326769) and next prime (28326773).

It is not a de Polignac number, because 28326771 - 2¹ = 28326769 is a prime.

It is a super-3 number, since 3×28326771³ (a number of 23 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (28326773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142966 + ... + 143163.

It is an arithmetic number, because the mean of its divisors is an integer number (3719690).

Almost surely, 2^28326771 is an apocalyptic number.

28326771 is a deficient number, since it is larger than the sum of its proper divisors (16309509).

28326771 is a wasteful number, since it uses less digits than its factorization.

28326771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286146 (or 286143 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 28326771 is about 5322.2900146460. The cubic root of 28326771 is about 304.8356043204.

The spelling of 28326771 in words is "twenty-eight million, three hundred twenty-six thousand, seven hundred seventy-one".