2802081 has 8 divisors (see below), whose sum is σ = 3758400. Its totient is φ = 1856912.

The previous prime is 2802077. The next prime is 2802083. The reversal of 2802081 is 1802082.

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

It is a cyclic number.

It is not a de Polignac number, because 2802081 - 2² = 2802077 is a prime.

It is a super-2 number, since 2×2802081² = 15703315861122, which contains 22 as substring.

2802081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2802083) 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, 2181 + ... + 3218.

It is an arithmetic number, because the mean of its divisors is an integer number (469800).

2^2802081 is an apocalyptic number.

It is an amenable number.

2802081 is a deficient number, since it is larger than the sum of its proper divisors (956319).

2802081 is a wasteful number, since it uses less digits than its factorization.

2802081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 2802081 is about 1673.9417552591. The cubic root of 2802081 is about 140.9808836817.

Subtracting from 2802081 its reverse (1802082), we obtain a palindrome (999999).

The spelling of 2802081 in words is "two million, eight hundred two thousand, eighty-one".