28411171 has 8 divisors (see below), whose sum is σ = 29217600. Its totient is φ = 27613248.

The previous prime is 28411151. The next prime is 28411181. The reversal of 28411171 is 17111482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28411171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28411151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4975 + ... + 9031.

It is an arithmetic number, because the mean of its divisors is an integer number (3652200).

Almost surely, 2^28411171 is an apocalyptic number.

28411171 is a deficient number, since it is larger than the sum of its proper divisors (806429).

28411171 is a wasteful number, since it uses less digits than its factorization.

28411171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4253.

The product of its digits is 448, while the sum is 25.

The square root of 28411171 is about 5330.2130351422. The cubic root of 28411171 is about 305.1380580756.

It can be divided in two parts, 28411 and 171, that added together give a palindrome (28582).

The spelling of 28411171 in words is "twenty-eight million, four hundred eleven thousand, one hundred seventy-one".