4489478 has 24 divisors (see below), whose sum is σ = 7972704. Its totient is φ = 1890000.

The previous prime is 4489477. The next prime is 4489481. The reversal of 4489478 is 8749844.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4489477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5603 + ... + 6353.

It is an arithmetic number, because the mean of its divisors is an integer number (332196).

Almost surely, 2^4489478 is an apocalyptic number.

4489478 is a deficient number, since it is larger than the sum of its proper divisors (3483226).

4489478 is a wasteful number, since it uses less digits than its factorization.

4489478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 821 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 4489478 is about 2118.8388329460. The cubic root of 4489478 is about 164.9675846944.

The spelling of 4489478 in words is "four million, four hundred eighty-nine thousand, four hundred seventy-eight".