2106026 has 8 divisors (see below), whose sum is σ = 3402084. Its totient is φ = 972000.

The previous prime is 2106019. The next prime is 2106029. The reversal of 2106026 is 6206012.

It can be written as a sum of positive squares in 2 ways, for example, as 2105401 + 625 = 1451^2 + 25^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2105995 and 2106013.

It is not an unprimeable number, because it can be changed into a prime (2106029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40475 + ... + 40526.

2^2106026 is an apocalyptic number.

2106026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2106026 is a deficient number, since it is larger than the sum of its proper divisors (1296058).

2106026 is a wasteful number, since it uses less digits than its factorization.

2106026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81016.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2106026 is about 1451.2153527303. The cubic root of 2106026 is about 128.1802879375.

The spelling of 2106026 in words is "two million, one hundred six thousand, twenty-six".