2871937 has 2 divisors, whose sum is σ = 2871938. Its totient is φ = 2871936.

The previous prime is 2871919. The next prime is 2871959. The reversal of 2871937 is 7391782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2768896 + 103041 = 1664^2 + 321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2871937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2871896 and 2871905.

It is not a weakly prime, because it can be changed into another prime (2871917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435968 + 1435969.

It is an arithmetic number, because the mean of its divisors is an integer number (1435969).

2^2871937 is an apocalyptic number.

It is an amenable number.

2871937 is a deficient number, since it is larger than the sum of its proper divisors (1).

2871937 is an equidigital number, since it uses as much as digits as its factorization.

2871937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 37.

The square root of 2871937 is about 1694.6790256565. The cubic root of 2871937 is about 142.1428338630.

The spelling of 2871937 in words is "two million, eight hundred seventy-one thousand, nine hundred thirty-seven".