1004478 has 8 divisors (see below), whose sum is σ = 2008968. Its totient is φ = 334824.

The previous prime is 1004477. The next prime is 1004483. The reversal of 1004478 is 8744001.

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

1004478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004477) 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, 83701 + ... + 83712.

It is an arithmetic number, because the mean of its divisors is an integer number (251121).

2^1004478 is an apocalyptic number.

1004478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1004478 is a wasteful number, since it uses less digits than its factorization.

1004478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167418.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1004478 is about 1002.2364990360. The cubic root of 1004478 is about 100.1490444139.

Adding to 1004478 its reverse (8744001), we get a palindrome (9748479).

The spelling of 1004478 in words is "one million, four thousand, four hundred seventy-eight".