2059686 has 48 divisors (see below), whose sum is σ = 4852224. Its totient is φ = 628992.

The previous prime is 2059661. The next prime is 2059697. The reversal of 2059686 is 6869502.

It is a d-powerful number, because it can be written as 2⁷ + 0 + 5⁹ + 9⁵ + 6³ + 8³ + 6⁶ .

It is a self number, because there is not a number n which added to its sum of digits gives 2059686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16155 + ... + 16281.

It is an arithmetic number, because the mean of its divisors is an integer number (101088).

2^2059686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2059686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2426112).

2059686 is an abundant number, since it is smaller than the sum of its proper divisors (2792538).

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

2059686 is a wasteful number, since it uses less digits than its factorization.

2059686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2059686 is about 1435.1606181888. The cubic root of 2059686 is about 127.2331674515.

The spelling of 2059686 in words is "two million, fifty-nine thousand, six hundred eighty-six".