2897801 has 2 divisors, whose sum is σ = 2897802. Its totient is φ = 2897800.

The previous prime is 2897789. The next prime is 2897819. The reversal of 2897801 is 1087982.

It is a happy number.

2897801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1690000 + 1207801 = 1300^2 + 1099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2897801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2897501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1448900 + 1448901.

It is an arithmetic number, because the mean of its divisors is an integer number (1448901).

2^2897801 is an apocalyptic number.

It is an amenable number.

2897801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2897801 is an equidigital number, since it uses as much as digits as its factorization.

2897801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 2897801 is about 1702.2928655199. The cubic root of 2897801 is about 142.5682611300.

The spelling of 2897801 in words is "two million, eight hundred ninety-seven thousand, eight hundred one".