2000771 has 8 divisors (see below), whose sum is σ = 2081664. Its totient is φ = 1920960.

The previous prime is 2000767. The next prime is 2000807. The reversal of 2000771 is 1770002.

It is a happy number.

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 2000771 - 2² = 2000767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000731) 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 7 ways as a sum of consecutive naturals, for example, 7085 + ... + 7361.

It is an arithmetic number, because the mean of its divisors is an integer number (260208).

2^2000771 is an apocalyptic number.

2000771 is a deficient number, since it is larger than the sum of its proper divisors (80893).

2000771 is a wasteful number, since it uses less digits than its factorization.

2000771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541.

The product of its (nonzero) digits is 98, while the sum is 17.

The square root of 2000771 is about 1414.4861257715. The cubic root of 2000771 is about 126.0082928950.

Adding to 2000771 its reverse (1770002), we get a palindrome (3770773).

The spelling of 2000771 in words is "two million, seven hundred seventy-one", and thus it is an aban number.