2880981 has 8 divisors (see below), whose sum is σ = 4268160. Its totient is φ = 1920636.

The previous prime is 2880949. The next prime is 2880991. The reversal of 2880981 is 1890882.

It is not a de Polignac number, because 2880981 - 2⁵ = 2880949 is a prime.

It is a super-2 number, since 2×2880981² = 16600103044722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2880901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53325 + ... + 53378.

It is an arithmetic number, because the mean of its divisors is an integer number (533520).

2^2880981 is an apocalyptic number.

It is an amenable number.

2880981 is a deficient number, since it is larger than the sum of its proper divisors (1387179).

2880981 is a wasteful number, since it uses less digits than its factorization.

2880981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106712 (or 106706 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 2880981 is about 1697.3452801360. The cubic root of 2880981 is about 142.2918845695.

Subtracting from 2880981 its reverse (1890882), we obtain a palindrome (990099).

The spelling of 2880981 in words is "two million, eight hundred eighty thousand, nine hundred eighty-one".