2986161 has 4 divisors (see below), whose sum is σ = 3981552. Its totient is φ = 1990772.

The previous prime is 2986129. The next prime is 2986163. The reversal of 2986161 is 1616892.

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 not a de Polignac number, because 2986161 - 2⁵ = 2986129 is a prime.

It is a D-number.

2986161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2986163) 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, 497691 + ... + 497696.

It is an arithmetic number, because the mean of its divisors is an integer number (995388).

2^2986161 is an apocalyptic number.

It is an amenable number.

2986161 is a deficient number, since it is larger than the sum of its proper divisors (995391).

2986161 is an equidigital number, since it uses as much as digits as its factorization.

2986161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995390.

The product of its digits is 5184, while the sum is 33.

The square root of 2986161 is about 1728.0512145188. The cubic root of 2986161 is about 144.0028452370.

The spelling of 2986161 in words is "two million, nine hundred eighty-six thousand, one hundred sixty-one".