2004478 has 8 divisors (see below), whose sum is σ = 3436272. Its totient is φ = 859056.

The previous prime is 2004463. The next prime is 2004479. The reversal of 2004478 is 8744002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004479) 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, 71575 + ... + 71602.

It is an arithmetic number, because the mean of its divisors is an integer number (429534).

2^2004478 is an apocalyptic number.

2004478 is a deficient number, since it is larger than the sum of its proper divisors (1431794).

2004478 is a wasteful number, since it uses less digits than its factorization.

2004478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143186.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2004478 is about 1415.7958892439. The cubic root of 2004478 is about 126.0860670050.

The spelling of 2004478 in words is "two million, four thousand, four hundred seventy-eight".