2892161 has 4 divisors (see below), whose sum is σ = 3044400. Its totient is φ = 2739924.

The previous prime is 2892151. The next prime is 2892191. The reversal of 2892161 is 1612982.

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 2892161 - 2¹⁰ = 2891137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2892151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76091 + ... + 76128.

It is an arithmetic number, because the mean of its divisors is an integer number (761100).

2^2892161 is an apocalyptic number.

It is an amenable number.

2892161 is a deficient number, since it is larger than the sum of its proper divisors (152239).

2892161 is a wasteful number, since it uses less digits than its factorization.

2892161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152238.

The product of its digits is 1728, while the sum is 29.

The square root of 2892161 is about 1700.6354694643. The cubic root of 2892161 is about 142.4757073599.

It can be divided in two parts, 28921 and 61, that added together give a palindrome (28982).

The spelling of 2892161 in words is "two million, eight hundred ninety-two thousand, one hundred sixty-one".