2088686 has 4 divisors (see below), whose sum is σ = 3133032. Its totient is φ = 1044342.

The previous prime is 2088683. The next prime is 2088703. The reversal of 2088686 is 6868802.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2088683) 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 as a sum of consecutive naturals, namely, 522170 + ... + 522173.

It is an arithmetic number, because the mean of its divisors is an integer number (783258).

2^2088686 is an apocalyptic number.

2088686 is a deficient number, since it is larger than the sum of its proper divisors (1044346).

2088686 is a wasteful number, since it uses less digits than its factorization.

2088686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044345.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 2088686 is about 1445.2287016248. The cubic root of 2088686 is about 127.8275264941.

The spelling of 2088686 in words is "two million, eighty-eight thousand, six hundred eighty-six".