2106039 has 8 divisors (see below), whose sum is σ = 3024112. Its totient is φ = 1296000.

The previous prime is 2106029. The next prime is 2106059. The reversal of 2106039 is 9306012.

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

It is not a de Polignac number, because 2106039 - 2⁷ = 2105911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106019) 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, 26962 + ... + 27039.

It is an arithmetic number, because the mean of its divisors is an integer number (378014).

2^2106039 is an apocalyptic number.

2106039 is a deficient number, since it is larger than the sum of its proper divisors (918073).

2106039 is a wasteful number, since it uses less digits than its factorization.

2106039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54017.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2106039 is about 1451.2198317278. The cubic root of 2106039 is about 128.1805516791.

The spelling of 2106039 in words is "two million, one hundred six thousand, thirty-nine".