2044405 has 8 divisors (see below), whose sum is σ = 2676384. Its totient is φ = 1486800.

The previous prime is 2044391. The next prime is 2044411. The reversal of 2044405 is 5044402.

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

It is not a de Polignac number, because 2044405 - 2⁷ = 2044277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18531 + ... + 18640.

It is an arithmetic number, because the mean of its divisors is an integer number (334548).

2^2044405 is an apocalyptic number.

It is an amenable number.

2044405 is a deficient number, since it is larger than the sum of its proper divisors (631979).

2044405 is a wasteful number, since it uses less digits than its factorization.

2044405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37187.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2044405 is about 1429.8269126017. The cubic root of 2044405 is about 126.9177345589.

Adding to 2044405 its reverse (5044402), we get a palindrome (7088807).

The spelling of 2044405 in words is "two million, forty-four thousand, four hundred five".