2087885 has 4 divisors (see below), whose sum is σ = 2505468. Its totient is φ = 1670304.

The previous prime is 2087879. The next prime is 2087903. The reversal of 2087885 is 5887802.

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

It can be written as a sum of positive squares in 2 ways, for example, as 413449 + 1674436 = 643^2 + 1294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2087885 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 3 ways as a sum of consecutive naturals, for example, 208784 + ... + 208793.

It is an arithmetic number, because the mean of its divisors is an integer number (626367).

2^2087885 is an apocalyptic number.

It is an amenable number.

2087885 is a deficient number, since it is larger than the sum of its proper divisors (417583).

2087885 is an equidigital number, since it uses as much as digits as its factorization.

2087885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417582.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 2087885 is about 1444.9515562814. The cubic root of 2087885 is about 127.8111840121.

The spelling of 2087885 in words is "two million, eighty-seven thousand, eight hundred eighty-five".