2876981 has 2 divisors, whose sum is σ = 2876982. Its totient is φ = 2876980.

The previous prime is 2876971. The next prime is 2876983. The reversal of 2876981 is 1896782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2669956 + 207025 = 1634^2 + 455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2876981 is a prime.

It is a super-2 number, since 2×2876981² = 16554039348722, which contains 22 as substring.

Together with 2876983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2876983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1438490 + 1438491.

It is an arithmetic number, because the mean of its divisors is an integer number (1438491).

2^2876981 is an apocalyptic number.

It is an amenable number.

2876981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2876981 is an equidigital number, since it uses as much as digits as its factorization.

2876981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 41.

The square root of 2876981 is about 1696.1665602175. The cubic root of 2876981 is about 142.2260006275.

The spelling of 2876981 in words is "two million, eight hundred seventy-six thousand, nine hundred eighty-one".