4491047 has 8 divisors (see below), whose sum is σ = 4959360. Its totient is φ = 4032760.

The previous prime is 4491037. The next prime is 4491079. The reversal of 4491047 is 7401944.

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 4491047 - 2⁴ = 4491031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547 + ... + 3372.

It is an arithmetic number, because the mean of its divisors is an integer number (619920).

Almost surely, 2^4491047 is an apocalyptic number.

4491047 is a deficient number, since it is larger than the sum of its proper divisors (468313).

4491047 is a wasteful number, since it uses less digits than its factorization.

4491047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 4491047 is about 2119.2090505658. The cubic root of 4491047 is about 164.9868002909.

The spelling of 4491047 in words is "four million, four hundred ninety-one thousand, forty-seven".