28334171 has 4 divisors (see below), whose sum is σ = 28868832. Its totient is φ = 27799512.

The previous prime is 28334161. The next prime is 28334179. The reversal of 28334171 is 17143382.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17143382 = 2 ⋅8571691.

It is a cyclic number.

It is not a de Polignac number, because 28334171 - 2⁶ = 28334107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28334179) 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, 267251 + ... + 267356.

It is an arithmetic number, because the mean of its divisors is an integer number (7217208).

Almost surely, 2^28334171 is an apocalyptic number.

28334171 is a deficient number, since it is larger than the sum of its proper divisors (534661).

28334171 is an equidigital number, since it uses as much as digits as its factorization.

28334171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534660.

The product of its digits is 4032, while the sum is 29.

The square root of 28334171 is about 5322.9851587244. The cubic root of 28334171 is about 304.8621467864.

The spelling of 28334171 in words is "twenty-eight million, three hundred thirty-four thousand, one hundred seventy-one".