2004469 has 4 divisors (see below), whose sum is σ = 2007340. Its totient is φ = 2001600.

The previous prime is 2004463. The next prime is 2004479. The reversal of 2004469 is 9644002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9644002 = 2 ⋅4822001.

It can be written as a sum of positive squares in 2 ways, for example, as 348100 + 1656369 = 590^2 + 1287^2 .

It is a cyclic number.

It is not a de Polignac number, because 2004469 - 2³ = 2004461 is a prime.

It is a super-2 number, since 2×2004469² = 8035791943922, 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 (2004461) 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, 367 + ... + 2035.

It is an arithmetic number, because the mean of its divisors is an integer number (501835).

2^2004469 is an apocalyptic number.

It is an amenable number.

2004469 is a deficient number, since it is larger than the sum of its proper divisors (2871).

2004469 is a wasteful number, since it uses less digits than its factorization.

2004469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2004469 is about 1415.7927108161. The cubic root of 2004469 is about 126.0858782982.

The spelling of 2004469 in words is "two million, four thousand, four hundred sixty-nine".