2104849 has 8 divisors (see below), whose sum is σ = 2194920. Its totient is φ = 2016000.

The previous prime is 2104847. The next prime is 2104853. The reversal of 2104849 is 9484012.

It can be written as a sum of positive squares in 4 ways, for example, as 330625 + 1774224 = 575^2 + 1332^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2104849 - 2¹ = 2104847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104841) 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 7 ways as a sum of consecutive naturals, for example, 5049 + ... + 5449.

It is an arithmetic number, because the mean of its divisors is an integer number (274365).

2^2104849 is an apocalyptic number.

2104849 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2104849 is a deficient number, since it is larger than the sum of its proper divisors (90071).

2104849 is a wasteful number, since it uses less digits than its factorization.

2104849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2104849 is about 1450.8097738849. The cubic root of 2104849 is about 128.1564046754.

The spelling of 2104849 in words is "two million, one hundred four thousand, eight hundred forty-nine".