2044465 has 8 divisors (see below), whose sum is σ = 2513448. Its totient is φ = 1595520.

The previous prime is 2044463. The next prime is 2044487. The reversal of 2044465 is 5644402.

It can be written as a sum of positive squares in 4 ways, for example, as 62001 + 1982464 = 249^2 + 1408^2 .

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

It is not a de Polignac number, because 2044465 - 2¹ = 2044463 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 0 + 4 + 4⁷ + 4⁹ + 6⁸ + 5⁷ .

It is a Duffinian number.

2044465 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2044463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4782 + ... + 5191.

It is an arithmetic number, because the mean of its divisors is an integer number (314181).

2^2044465 is an apocalyptic number.

It is an amenable number.

2044465 is a deficient number, since it is larger than the sum of its proper divisors (468983).

2044465 is an equidigital number, since it uses as much as digits as its factorization.

2044465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10019.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2044465 is about 1429.8478940083. The cubic root of 2044465 is about 126.9189761572.

Adding to 2044465 its reverse (5644402), we get a palindrome (7688867).

The spelling of 2044465 in words is "two million, forty-four thousand, four hundred sixty-five".