2006787 has 4 divisors (see below), whose sum is σ = 2675720. Its totient is φ = 1337856.

The previous prime is 2006783. The next prime is 2006791. The reversal of 2006787 is 7876002.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2006783) and next prime (2006791).

It is not a de Polignac number, because 2006787 - 2² = 2006783 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2006783) 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, 334462 + ... + 334467.

It is an arithmetic number, because the mean of its divisors is an integer number (668930).

2^2006787 is an apocalyptic number.

2006787 is a deficient number, since it is larger than the sum of its proper divisors (668933).

2006787 is an equidigital number, since it uses as much as digits as its factorization.

2006787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668932.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 2006787 is about 1416.6110969493. The cubic root of 2006787 is about 126.1344621505.

The spelling of 2006787 in words is "two million, six thousand, seven hundred eighty-seven".