4445671 has 8 divisors (see below), whose sum is σ = 4712400. Its totient is φ = 4186560.

The previous prime is 4445663. The next prime is 4445681. The reversal of 4445671 is 1765444.

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 4445671 - 2³ = 4445663 is a prime.

It is a Duffinian number.

4445671 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445621) 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, 681 + ... + 3058.

It is an arithmetic number, because the mean of its divisors is an integer number (589050).

Almost surely, 2^4445671 is an apocalyptic number.

4445671 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4445671 is a deficient number, since it is larger than the sum of its proper divisors (266729).

4445671 is a wasteful number, since it uses less digits than its factorization.

4445671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809.

The product of its digits is 13440, while the sum is 31.

The square root of 4445671 is about 2108.4759899036. The cubic root of 4445671 is about 164.4292616282.

The spelling of 4445671 in words is "four million, four hundred forty-five thousand, six hundred seventy-one".