2798081 has 16 divisors (see below), whose sum is σ = 3483648. Its totient is φ = 2208000.

The previous prime is 2798069. The next prime is 2798083. The reversal of 2798081 is 1808972.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2798081 - 2¹⁰ = 2797057 is a prime.

It is a super-2 number, since 2×2798081² = 15658514565122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1856 + ... + 3006.

It is an arithmetic number, because the mean of its divisors is an integer number (217728).

2^2798081 is an apocalyptic number.

It is an amenable number.

2798081 is a deficient number, since it is larger than the sum of its proper divisors (685567).

2798081 is a wasteful number, since it uses less digits than its factorization.

2798081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 2798081 is about 1672.7465438613. The cubic root of 2798081 is about 140.9137678390.

The spelling of 2798081 in words is "two million, seven hundred ninety-eight thousand, eighty-one".