2084686 has 8 divisors (see below), whose sum is σ = 3203424. Its totient is φ = 1016880.

The previous prime is 2084671. The next prime is 2084689. The reversal of 2084686 is 6864802.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2084689) 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, 12630 + ... + 12793.

It is an arithmetic number, because the mean of its divisors is an integer number (400428).

2^2084686 is an apocalyptic number.

2084686 is a deficient number, since it is larger than the sum of its proper divisors (1118738).

2084686 is a wasteful number, since it uses less digits than its factorization.

2084686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25466.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 2084686 is about 1443.8441744177. The cubic root of 2084686 is about 127.7458743847.

It can be divided in two parts, 20 and 84686, that multiplied together give a triangular number (1693720 = T₁₈₄₀).

The spelling of 2084686 in words is "two million, eighty-four thousand, six hundred eighty-six".