2871944 has 8 divisors (see below), whose sum is σ = 5384910. Its totient is φ = 1435968.

The previous prime is 2871937. The next prime is 2871959. The reversal of 2871944 is 4491782.

2871944 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2464900 + 407044 = 1570^2 + 638^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179489 + ... + 179504.

2^2871944 is an apocalyptic number.

It is an amenable number.

2871944 is a deficient number, since it is larger than the sum of its proper divisors (2512966).

2871944 is a wasteful number, since it uses less digits than its factorization.

2871944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358999 (or 358995 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 2871944 is about 1694.6810909431. The cubic root of 2871944 is about 142.1429493483.

The spelling of 2871944 in words is "two million, eight hundred seventy-one thousand, nine hundred forty-four".