4478247 has 14 divisors (see below), whose sum is σ = 6715392. Its totient is φ = 2985012.

The previous prime is 4478237. The next prime is 4478249. The reversal of 4478247 is 7428744.

It is not a de Polignac number, because 4478247 - 2⁴ = 4478231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478249) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2343 + ... + 3800.

Almost surely, 2^4478247 is an apocalyptic number.

4478247 is a deficient number, since it is larger than the sum of its proper divisors (2237145).

4478247 is an frugal number, since it uses more digits than its factorization.

4478247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161 (or 6146 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 4478247 is about 2116.1869010085. The cubic root of 4478247 is about 164.8299073624.

The spelling of 4478247 in words is "four million, four hundred seventy-eight thousand, two hundred forty-seven".