2090887 has 4 divisors (see below), whose sum is σ = 2110536. Its totient is φ = 2071240.

The previous prime is 2090873. The next prime is 2090923. The reversal of 2090887 is 7880902.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7880902 = 2 ⋅3940451.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2090887 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090807) 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, 9664 + ... + 9877.

It is an arithmetic number, because the mean of its divisors is an integer number (527634).

2^2090887 is an apocalyptic number.

2090887 is a deficient number, since it is larger than the sum of its proper divisors (19649).

2090887 is a wasteful number, since it uses less digits than its factorization.

2090887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19648.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 2090887 is about 1445.9899723027. The cubic root of 2090887 is about 127.8724111119.

The spelling of 2090887 in words is "two million, ninety thousand, eight hundred eighty-seven".