2881724 has 12 divisors (see below), whose sum is σ = 5090904. Its totient is φ = 1427184.

The previous prime is 2881717. The next prime is 2881727. The reversal of 2881724 is 4271882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2881727) 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, 2939 + ... + 3794.

It is an arithmetic number, because the mean of its divisors is an integer number (424242).

2^2881724 is an apocalyptic number.

It is an amenable number.

2881724 is a deficient number, since it is larger than the sum of its proper divisors (2209180).

2881724 is a wasteful number, since it uses less digits than its factorization.

2881724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844 (or 6842 counting only the distinct ones).

The product of its digits is 7168, while the sum is 32.

The square root of 2881724 is about 1697.5641372272. The cubic root of 2881724 is about 142.3041157948.

The spelling of 2881724 in words is "two million, eight hundred eighty-one thousand, seven hundred twenty-four".