4420478 has 8 divisors (see below), whose sum is σ = 6678840. Its totient is φ = 2194200.

The previous prime is 4420469. The next prime is 4420513. The reversal of 4420478 is 8740244.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4420478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7673 + ... + 8228.

It is an arithmetic number, because the mean of its divisors is an integer number (834855).

Almost surely, 2^4420478 is an apocalyptic number.

4420478 is a deficient number, since it is larger than the sum of its proper divisors (2258362).

4420478 is a wasteful number, since it uses less digits than its factorization.

4420478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16042.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 4420478 is about 2102.4932817966. The cubic root of 4420478 is about 164.1180738049.

The spelling of 4420478 in words is "four million, four hundred twenty thousand, four hundred seventy-eight".