2086680 has 32 divisors (see below), whose sum is σ = 6260400. Its totient is φ = 556416.

The previous prime is 2086673. The next prime is 2086681. The reversal of 2086680 is 866802.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8575 + ... + 8814.

2^2086680 is an apocalyptic number.

2086680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2086680 is an abundant number, since it is smaller than the sum of its proper divisors (4173720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2086680 is a wasteful number, since it uses less digits than its factorization.

2086680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17403 (or 17399 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 2086680 is about 1444.5345271055. The cubic root of 2086680 is about 127.7865910045.

The spelling of 2086680 in words is "two million, eighty-six thousand, six hundred eighty".