2076865 has 20 divisors (see below), whose sum is σ = 2924244. Its totient is φ = 1415904.

The previous prime is 2076829. The next prime is 2076869. The reversal of 2076865 is 5686702.

It can be written as a sum of positive squares in 2 ways, for example, as 1382976 + 693889 = 1176^2 + 833^2 .

It is not a de Polignac number, because 2076865 - 2¹¹ = 2074817 is a prime.

It is a Duffinian number.

2076865 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2076865.

It is not an unprimeable number, because it can be changed into a prime (2076869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11919 + ... + 12091.

2^2076865 is an apocalyptic number.

It is an amenable number.

2076865 is a deficient number, since it is larger than the sum of its proper divisors (847379).

2076865 is an frugal number, since it uses more digits than its factorization.

2076865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2076865 is about 1441.1332346456. The cubic root of 2076865 is about 127.5859218359.

The spelling of 2076865 in words is "two million, seventy-six thousand, eight hundred sixty-five".