2087806 has 16 divisors (see below), whose sum is σ = 3602016. Its totient is φ = 889056.

The previous prime is 2087801. The next prime is 2087807. The reversal of 2087806 is 6087802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2380 + ... + 3136.

It is an arithmetic number, because the mean of its divisors is an integer number (225126).

2^2087806 is an apocalyptic number.

2087806 is a deficient number, since it is larger than the sum of its proper divisors (1514210).

2087806 is a wasteful number, since it uses less digits than its factorization.

2087806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 2087806 is about 1444.9242194662. The cubic root of 2087806 is about 127.8095719804.

The spelling of 2087806 in words is "two million, eighty-seven thousand, eight hundred six".