4478971 has 4 divisors (see below), whose sum is σ = 5118832. Its totient is φ = 3839112.

The previous prime is 4478917. The next prime is 4478983. The reversal of 4478971 is 1798744.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4478971 - 2⁷ = 4478843 is a prime.

It is a super-2 number, since 2×4478971² = 40122362437682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4478671) 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, 319920 + ... + 319933.

It is an arithmetic number, because the mean of its divisors is an integer number (1279708).

Almost surely, 2^4478971 is an apocalyptic number.

4478971 is a deficient number, since it is larger than the sum of its proper divisors (639861).

4478971 is an equidigital number, since it uses as much as digits as its factorization.

4478971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639860.

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

The square root of 4478971 is about 2116.3579564903. The cubic root of 4478971 is about 164.8387895897.

The spelling of 4478971 in words is "four million, four hundred seventy-eight thousand, nine hundred seventy-one".