2170106 has 4 divisors (see below), whose sum is σ = 3255162. Its totient is φ = 1085052.

The previous prime is 2170061. The next prime is 2170109. The reversal of 2170106 is 6010712.

It is a happy number.

2170106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1934881 + 235225 = 1391^2 + 485^2 .

It is not an unprimeable number, because it can be changed into a prime (2170109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542525 + ... + 542528.

2^2170106 is an apocalyptic number.

2170106 is a deficient number, since it is larger than the sum of its proper divisors (1085056).

2170106 is a wasteful number, since it uses less digits than its factorization.

2170106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085055.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 2170106 is about 1473.1279645706. The cubic root of 2170106 is about 129.4673670402.

Adding to 2170106 its reverse (6010712), we get a palindrome (8180818).

Subtracting 2170106 from its reverse (6010712), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 2170106 in words is "two million, one hundred seventy thousand, one hundred six".