8171149 has 4 divisors (see below), whose sum is σ = 9338464. Its totient is φ = 7003836.

The previous prime is 8171131. The next prime is 8171153. The reversal of 8171149 is 9411718.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8171149 - 2¹¹ = 8169101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8171149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8171129) 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, 583647 + ... + 583660.

It is an arithmetic number, because the mean of its divisors is an integer number (2334616).

Almost surely, 2^8171149 is an apocalyptic number.

It is an amenable number.

8171149 is a deficient number, since it is larger than the sum of its proper divisors (1167315).

8171149 is a wasteful number, since it uses less digits than its factorization.

8171149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167314.

The product of its digits is 2016, while the sum is 31.

The square root of 8171149 is about 2858.5221706329. The cubic root of 8171149 is about 201.4161900265.

The spelling of 8171149 in words is "eight million, one hundred seventy-one thousand, one hundred forty-nine".