2884681 has 2 divisors, whose sum is σ = 2884682. Its totient is φ = 2884680.

The previous prime is 2884663. The next prime is 2884691. The reversal of 2884681 is 1864882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1585081 + 1299600 = 1259^2 + 1140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2884681 - 2⁵ = 2884649 is a prime.

It is a super-2 number, since 2×2884681² = 16642768943522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2884681.

It is not a weakly prime, because it can be changed into another prime (2884621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1442340 + 1442341.

It is an arithmetic number, because the mean of its divisors is an integer number (1442341).

2^2884681 is an apocalyptic number.

It is an amenable number.

2884681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2884681 is an equidigital number, since it uses as much as digits as its factorization.

2884681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24576, while the sum is 37.

The square root of 2884681 is about 1698.4348677533. The cubic root of 2884681 is about 142.3527729440.

The spelling of 2884681 in words is "two million, eight hundred eighty-four thousand, six hundred eighty-one".