2104445 has 8 divisors (see below), whose sum is σ = 2886144. Its totient is φ = 1443024.

The previous prime is 2104441. The next prime is 2104483. The reversal of 2104445 is 5444012.

2104445 = 228² + 229² + ... + 262².

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 2104445 - 2² = 2104441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104441) 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, 30029 + ... + 30098.

It is an arithmetic number, because the mean of its divisors is an integer number (360768).

2^2104445 is an apocalyptic number.

It is an amenable number.

2104445 is a deficient number, since it is larger than the sum of its proper divisors (781699).

2104445 is an equidigital number, since it uses as much as digits as its factorization.

2104445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60139.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2104445 is about 1450.6705346149. The cubic root of 2104445 is about 128.1482047997.

Adding to 2104445 its reverse (5444012), we get a palindrome (7548457).

The spelling of 2104445 in words is "two million, one hundred four thousand, four hundred forty-five".