2884621 has 2 divisors, whose sum is σ = 2884622. Its totient is φ = 2884620.

The previous prime is 2884603. The next prime is 2884627. The reversal of 2884621 is 1264882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2842596 + 42025 = 1686^2 + 205^2 .

It is a cyclic number.

It is not a de Polignac number, because 2884621 - 2⁵ = 2884589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2884627) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1442310 + 1442311.

It is an arithmetic number, because the mean of its divisors is an integer number (1442311).

2^2884621 is an apocalyptic number.

It is an amenable number.

2884621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2884621 is an equidigital number, since it uses as much as digits as its factorization.

2884621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6144, while the sum is 31.

The square root of 2884621 is about 1698.4172043406. The cubic root of 2884621 is about 142.3517859804.

The spelling of 2884621 in words is "two million, eight hundred eighty-four thousand, six hundred twenty-one".