2686081 has 4 divisors (see below), whose sum is σ = 2748592. Its totient is φ = 2623572.

The previous prime is 2686063. The next prime is 2686111. The reversal of 2686081 is 1806862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2686081 - 2¹⁷ = 2555009 is a prime.

It is a super-2 number, since 2×2686081² = 14430062277122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2686381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31191 + ... + 31276.

It is an arithmetic number, because the mean of its divisors is an integer number (687148).

2^2686081 is an apocalyptic number.

It is an amenable number.

2686081 is a deficient number, since it is larger than the sum of its proper divisors (62511).

2686081 is an equidigital number, since it uses as much as digits as its factorization.

2686081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62510.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2686081 is about 1638.9267829894. The cubic root of 2686081 is about 139.0079701449.

The spelling of 2686081 in words is "two million, six hundred eighty-six thousand, eighty-one".