2723841 has 16 divisors (see below), whose sum is σ = 4089600. Its totient is φ = 1791504.

The previous prime is 2723839. The next prime is 2723863. The reversal of 2723841 is 1483272.

It is not a de Polignac number, because 2723841 - 2¹ = 2723839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

2723841 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2723881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1495 + ... + 2771.

It is an arithmetic number, because the mean of its divisors is an integer number (255600).

It is a Proth number, since it is equal to 665 ⋅ 2¹² + 1 and 665 < 2¹².

2^2723841 is an apocalyptic number.

It is an amenable number.

2723841 is a deficient number, since it is larger than the sum of its proper divisors (1365759).

2723841 is a wasteful number, since it uses less digits than its factorization.

2723841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365 (or 1359 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 2723841 is about 1650.4063136089. The cubic root of 2723841 is about 139.6563168536.

The spelling of 2723841 in words is "two million, seven hundred twenty-three thousand, eight hundred forty-one".