4478591 has 8 divisors (see below), whose sum is σ = 4953984. Its totient is φ = 4021920.

The previous prime is 4478567. The next prime is 4478641. The reversal of 4478591 is 1958744.

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

It is a cyclic number.

It is not a de Polignac number, because 4478591 - 2⁶ = 4478527 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4175 + ... + 5136.

It is an arithmetic number, because the mean of its divisors is an integer number (619248).

Almost surely, 2^4478591 is an apocalyptic number.

4478591 is a deficient number, since it is larger than the sum of its proper divisors (475393).

4478591 is a wasteful number, since it uses less digits than its factorization.

4478591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9361.

The product of its digits is 40320, while the sum is 38.

The square root of 4478591 is about 2116.2681777128. The cubic root of 4478591 is about 164.8341277665.

The spelling of 4478591 in words is "four million, four hundred seventy-eight thousand, five hundred ninety-one".