4478004 has 72 divisors (see below), whose sum is σ = 12475008. Its totient is φ = 1399680.

The previous prime is 4477969. The next prime is 4478009. The reversal of 4478004 is 4008744.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16389 + ... + 16659.

It is an arithmetic number, because the mean of its divisors is an integer number (173264).

Almost surely, 2^4478004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4478004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6237504).

4478004 is an abundant number, since it is smaller than the sum of its proper divisors (7997004).

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

4478004 is a wasteful number, since it uses less digits than its factorization.

4478004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 4478004 is about 2116.1294856412. The cubic root of 4478004 is about 164.8269259583.

The spelling of 4478004 in words is "four million, four hundred seventy-eight thousand, four".