2882981 has 8 divisors (see below), whose sum is σ = 3030720. Its totient is φ = 2737152.

The previous prime is 2882963. The next prime is 2882993. The reversal of 2882981 is 1892882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2882981 is a prime.

It is a super-2 number, since 2×2882981² = 16623158892722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2882081) 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, 3365 + ... + 4133.

It is an arithmetic number, because the mean of its divisors is an integer number (378840).

2^2882981 is an apocalyptic number.

It is an amenable number.

2882981 is a deficient number, since it is larger than the sum of its proper divisors (147739).

2882981 is a wasteful number, since it uses less digits than its factorization.

2882981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955.

The product of its digits is 18432, while the sum is 38.

The square root of 2882981 is about 1697.9343332414. The cubic root of 2882981 is about 142.3248036737.

Subtracting from 2882981 its reverse (1892882), we obtain a palindrome (990099).

The spelling of 2882981 in words is "two million, eight hundred eighty-two thousand, nine hundred eighty-one".