2744161 has 8 divisors (see below), whose sum is σ = 3147584. Its totient is φ = 2343600.

The previous prime is 2744129. The next prime is 2744197. The reversal of 2744161 is 1614472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2744161 - 2⁵ = 2744129 is a prime.

It is an Ulam number.

It is a Duffinian number.

2744161 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2744111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2086 + ... + 3136.

It is an arithmetic number, because the mean of its divisors is an integer number (393448).

2^2744161 is an apocalyptic number.

It is an amenable number.

2744161 is a deficient number, since it is larger than the sum of its proper divisors (403423).

2744161 is a wasteful number, since it uses less digits than its factorization.

2744161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431.

The product of its digits is 1344, while the sum is 25.

The square root of 2744161 is about 1656.5509349247. The cubic root of 2744161 is about 140.0027380417.

The spelling of 2744161 in words is "two million, seven hundred forty-four thousand, one hundred sixty-one".