28171341 has 24 divisors (see below), whose sum is σ = 45879680. Its totient is φ = 17071560.

The previous prime is 28171333. The next prime is 28171361. The reversal of 28171341 is 14317182.

It is not a de Polignac number, because 28171341 - 2³ = 28171333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28171301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1045 + ... + 7578.

Almost surely, 2^28171341 is an apocalyptic number.

It is an amenable number.

28171341 is a deficient number, since it is larger than the sum of its proper divisors (17708339).

28171341 is a wasteful number, since it uses less digits than its factorization.

28171341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8654 (or 8637 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 28171341 is about 5307.6681320520. The cubic root of 28171341 is about 304.2770335042.

The spelling of 28171341 in words is "twenty-eight million, one hundred seventy-one thousand, three hundred forty-one".