4447491 has 8 divisors (see below), whose sum is σ = 5946384. Its totient is φ = 2956800.

The previous prime is 4447483. The next prime is 4447493. The reversal of 4447491 is 1947444.

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

It is not a de Polignac number, because 4447491 - 2³ = 4447483 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4447493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646 + ... + 3051.

It is an arithmetic number, because the mean of its divisors is an integer number (743298).

Almost surely, 2^4447491 is an apocalyptic number.

4447491 is a deficient number, since it is larger than the sum of its proper divisors (1498893).

4447491 is a wasteful number, since it uses less digits than its factorization.

4447491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101.

The product of its digits is 16128, while the sum is 33.

The square root of 4447491 is about 2108.9075370912. The cubic root of 4447491 is about 164.4516969686.

The spelling of 4447491 in words is "four million, four hundred forty-seven thousand, four hundred ninety-one".