2106386 has 16 divisors (see below), whose sum is σ = 3412800. Its totient is φ = 972048.

The previous prime is 2106383. The next prime is 2106389. The reversal of 2106386 is 6836012.

It is an interprime number because it is at equal distance from previous prime (2106383) and next prime (2106389).

It is a d-powerful number, because it can be written as 2²¹ + 1 + 0 + 6³ + 3⁶ + 8³ + 6⁵ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2106383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545 + ... + 2123.

It is an arithmetic number, because the mean of its divisors is an integer number (213300).

2^2106386 is an apocalyptic number.

2106386 is a deficient number, since it is larger than the sum of its proper divisors (1306414).

2106386 is a wasteful number, since it uses less digits than its factorization.

2106386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2106386 is about 1451.3393813991. The cubic root of 2106386 is about 128.1875911513.

The spelling of 2106386 in words is "two million, one hundred six thousand, three hundred eighty-six".