2186106 has 16 divisors (see below), whose sum is σ = 4708704. Its totient is φ = 672624.

The previous prime is 2186101. The next prime is 2186113. The reversal of 2186106 is 6016812.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2186101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13936 + ... + 14091.

It is an arithmetic number, because the mean of its divisors is an integer number (294294).

2^2186106 is an apocalyptic number.

2186106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2186106 is an abundant number, since it is smaller than the sum of its proper divisors (2522598).

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

2186106 is a wasteful number, since it uses less digits than its factorization.

2186106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28045.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2186106 is about 1478.5486126604. The cubic root of 2186106 is about 129.7847720705.

The spelling of 2186106 in words is "two million, one hundred eighty-six thousand, one hundred six".