4478291 has 4 divisors (see below), whose sum is σ = 4622784. Its totient is φ = 4333800.

The previous prime is 4478269. The next prime is 4478317. The reversal of 4478291 is 1928744.

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

It is a de Polignac number, because none of the positive numbers 2^k-4478291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4478231) 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, 72200 + ... + 72261.

It is an arithmetic number, because the mean of its divisors is an integer number (1155696).

Almost surely, 2^4478291 is an apocalyptic number.

4478291 is a deficient number, since it is larger than the sum of its proper divisors (144493).

4478291 is a wasteful number, since it uses less digits than its factorization.

4478291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144492.

The product of its digits is 16128, while the sum is 35.

The square root of 4478291 is about 2116.1972970401. The cubic root of 4478291 is about 164.8304471936.

The spelling of 4478291 in words is "four million, four hundred seventy-eight thousand, two hundred ninety-one".