2087605 has 8 divisors (see below), whose sum is σ = 2697912. Its totient is φ = 1541568.

The previous prime is 2087593. The next prime is 2087627. The reversal of 2087605 is 5067802.

It can be written as a sum of positive squares in 4 ways, for example, as 88209 + 1999396 = 297^2 + 1414^2 .

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 2087605 - 2¹⁷ = 1956533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15994 + ... + 16123.

It is an arithmetic number, because the mean of its divisors is an integer number (337239).

2^2087605 is an apocalyptic number.

It is an amenable number.

2087605 is a deficient number, since it is larger than the sum of its proper divisors (610307).

2087605 is a wasteful number, since it uses less digits than its factorization.

2087605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32135.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2087605 is about 1444.8546639714. The cubic root of 2087605 is about 127.8054702984.

The spelling of 2087605 in words is "two million, eighty-seven thousand, six hundred five".