8487161 has 4 divisors (see below), whose sum is σ = 8856192. Its totient is φ = 8118132.

The previous prime is 8487139. The next prime is 8487163. The reversal of 8487161 is 1617848.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8487161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8487163) 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, 184481 + ... + 184526.

It is an arithmetic number, because the mean of its divisors is an integer number (2214048).

Almost surely, 2^8487161 is an apocalyptic number.

It is an amenable number.

8487161 is a deficient number, since it is larger than the sum of its proper divisors (369031).

8487161 is a wasteful number, since it uses less digits than its factorization.

8487161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369030.

The product of its digits is 10752, while the sum is 35.

The square root of 8487161 is about 2913.2732449944. The cubic root of 8487161 is about 203.9799496506.

The spelling of 8487161 in words is "eight million, four hundred eighty-seven thousand, one hundred sixty-one".