2888021 has 2 divisors, whose sum is σ = 2888022. Its totient is φ = 2888020.

The previous prime is 2887993. The next prime is 2888027. The reversal of 2888021 is 1208882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2739025 + 148996 = 1655^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2888021 - 2¹⁰ = 2886997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2888027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1444010 + 1444011.

It is an arithmetic number, because the mean of its divisors is an integer number (1444011).

2^2888021 is an apocalyptic number.

It is an amenable number.

2888021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2888021 is an equidigital number, since it uses as much as digits as its factorization.

2888021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 2888021 is about 1699.4178414975. The cubic root of 2888021 is about 142.4076923474.

The spelling of 2888021 in words is "two million, eight hundred eighty-eight thousand, twenty-one".