2087845 has 8 divisors (see below), whose sum is σ = 2518560. Its totient is φ = 1661520.

The previous prime is 2087837. The next prime is 2087857. The reversal of 2087845 is 5487802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2087845 - 2³ = 2087837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2087845.

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, 66 + ... + 2044.

It is an arithmetic number, because the mean of its divisors is an integer number (314820).

2^2087845 is an apocalyptic number.

It is an amenable number.

2087845 is a deficient number, since it is larger than the sum of its proper divisors (430715).

2087845 is a wasteful number, since it uses less digits than its factorization.

2087845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 2087845 is about 1444.9377149206. The cubic root of 2087845 is about 127.8103677986.

The spelling of 2087845 in words is "two million, eighty-seven thousand, eight hundred forty-five".