3002861 has 2 divisors, whose sum is σ = 3002862. Its totient is φ = 3002860.

The previous prime is 3002849. The next prime is 3002891. The reversal of 3002861 is 1682003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2869636 + 133225 = 1694^2 + 365^2 .

It is a cyclic number.

It is not a de Polignac number, because 3002861 - 2¹⁰ = 3001837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3002801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1501430 + 1501431.

It is an arithmetic number, because the mean of its divisors is an integer number (1501431).

Almost surely, 2^3002861 is an apocalyptic number.

It is an amenable number.

3002861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3002861 is an equidigital number, since it uses as much as digits as its factorization.

3002861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3002861 is about 1732.8765103146. The cubic root of 3002861 is about 144.2707899754.

Adding to 3002861 its reverse (1682003), we get a palindrome (4684864).

The spelling of 3002861 in words is "three million, two thousand, eight hundred sixty-one".