4409478 has 48 divisors (see below), whose sum is σ = 10186176. Its totient is φ = 1428840.

The previous prime is 4409473. The next prime is 4409513. The reversal of 4409478 is 8749044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4409473) 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, 20793 + ... + 21003.

It is an arithmetic number, because the mean of its divisors is an integer number (212212).

Almost surely, 2^4409478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4409478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5093088).

4409478 is an abundant number, since it is smaller than the sum of its proper divisors (5776698).

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

4409478 is a wasteful number, since it uses less digits than its factorization.

4409478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 4409478 is about 2099.8757106077. The cubic root of 4409478 is about 163.9818292380.

The spelling of 4409478 in words is "four million, four hundred nine thousand, four hundred seventy-eight".