2046109 has 4 divisors (see below), whose sum is σ = 2203516. Its totient is φ = 1888704.

The previous prime is 2046101. The next prime is 2046119. The reversal of 2046109 is 9016402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9016402 = 2 ⋅4508201.

It can be written as a sum of positive squares in 2 ways, for example, as 476100 + 1570009 = 690^2 + 1253^2 .

It is a cyclic number.

It is not a de Polignac number, because 2046109 - 2³ = 2046101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2046109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2046101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78684 + ... + 78709.

It is an arithmetic number, because the mean of its divisors is an integer number (550879).

2^2046109 is an apocalyptic number.

It is an amenable number.

2046109 is a deficient number, since it is larger than the sum of its proper divisors (157407).

2046109 is a wasteful number, since it uses less digits than its factorization.

2046109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157406.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2046109 is about 1430.4226648093. The cubic root of 2046109 is about 126.9529865045.

The spelling of 2046109 in words is "two million, forty-six thousand, one hundred nine".