2104973 has 4 divisors (see below), whose sum is σ = 2266908. Its totient is φ = 1943040.

The previous prime is 2104969. The next prime is 2104987. The reversal of 2104973 is 3794012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 94249 + 2010724 = 307^2 + 1418^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104973 - 2² = 2104969 is a prime.

It is a super-2 number, since 2×2104973² = 8861822661458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80948 + ... + 80973.

It is an arithmetic number, because the mean of its divisors is an integer number (566727).

2^2104973 is an apocalyptic number.

It is an amenable number.

2104973 is a deficient number, since it is larger than the sum of its proper divisors (161935).

2104973 is a wasteful number, since it uses less digits than its factorization.

2104973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161934.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2104973 is about 1450.8525080104. The cubic root of 2104973 is about 128.1589212584.

Adding to 2104973 its reverse (3794012), we get a palindrome (5898985).

The spelling of 2104973 in words is "two million, one hundred four thousand, nine hundred seventy-three".