2871744 has 28 divisors (see below), whose sum is σ = 7598664. Its totient is φ = 957184.

The previous prime is 2871731. The next prime is 2871749. The reversal of 2871744 is 4471782.

2871744 = T₂₆₇ + T₂₆₈ + ... + T₃₃₀.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871749) 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, 7287 + ... + 7670.

2^2871744 is an apocalyptic number.

2871744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2871744 is an abundant number, since it is smaller than the sum of its proper divisors (4726920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2871744 is a wasteful number, since it uses less digits than its factorization.

2871744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14972 (or 14962 counting only the distinct ones).

The product of its digits is 12544, while the sum is 33.

The square root of 2871744 is about 1694.6220817634. The cubic root of 2871744 is about 142.1396496960.

The spelling of 2871744 in words is "two million, eight hundred seventy-one thousand, seven hundred forty-four".