2086761 has 16 divisors (see below), whose sum is σ = 2878848. Its totient is φ = 1344000.

The previous prime is 2086759. The next prime is 2086781. The reversal of 2086761 is 1676802.

It is a happy number.

It is not a de Polignac number, because 2086761 - 2¹ = 2086759 is a prime.

It is a super-2 number, since 2×2086761² = 8709142942242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086781) 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, 20611 + ... + 20711.

It is an arithmetic number, because the mean of its divisors is an integer number (179928).

2^2086761 is an apocalyptic number.

It is an amenable number.

2086761 is a deficient number, since it is larger than the sum of its proper divisors (792087).

2086761 is a wasteful number, since it uses less digits than its factorization.

2086761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2086761 is about 1444.5625635465. The cubic root of 2086761 is about 127.7882444412.

The spelling of 2086761 in words is "two million, eighty-six thousand, seven hundred sixty-one".