4539447 has 12 divisors (see below), whose sum is σ = 7153224. Its totient is φ = 2751120.

The previous prime is 4539433. The next prime is 4539481. The reversal of 4539447 is 7449354.

It is not a de Polignac number, because 4539447 - 2⁶ = 4539383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4539427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22828 + ... + 23025.

It is an arithmetic number, because the mean of its divisors is an integer number (596102).

Almost surely, 2^4539447 is an apocalyptic number.

4539447 is a deficient number, since it is larger than the sum of its proper divisors (2613777).

4539447 is a wasteful number, since it uses less digits than its factorization.

4539447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45870 (or 45867 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 4539447 is about 2130.5978034345. The cubic root of 4539447 is about 165.5773712341.

The spelling of 4539447 in words is "four million, five hundred thirty-nine thousand, four hundred forty-seven".