4471978 has 8 divisors (see below), whose sum is σ = 7666272. Its totient is φ = 1916556.

The previous prime is 4471949. The next prime is 4471979. The reversal of 4471978 is 8791744.

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 4471978.

It is not an unprimeable number, because it can be changed into a prime (4471979) 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, 159700 + ... + 159727.

It is an arithmetic number, because the mean of its divisors is an integer number (958284).

Almost surely, 2^4471978 is an apocalyptic number.

4471978 is a deficient number, since it is larger than the sum of its proper divisors (3194294).

4471978 is a wasteful number, since it uses less digits than its factorization.

4471978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319436.

The product of its digits is 56448, while the sum is 40.

The square root of 4471978 is about 2114.7051803975. The cubic root of 4471978 is about 164.7529575174.

The spelling of 4471978 in words is "four million, four hundred seventy-one thousand, nine hundred seventy-eight".