4000471 has 4 divisors (see below), whose sum is σ = 4023000. Its totient is φ = 3977944.

The previous prime is 4000439. The next prime is 4000489. The reversal of 4000471 is 1740004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4000471 - 2⁵ = 4000439 is a prime.

It is a super-3 number, since 3×4000471³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

4000471 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4010471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10996 + ... + 11353.

It is an arithmetic number, because the mean of its divisors is an integer number (1005750).

Almost surely, 2^4000471 is an apocalyptic number.

4000471 is a deficient number, since it is larger than the sum of its proper divisors (22529).

4000471 is a wasteful number, since it uses less digits than its factorization.

4000471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22528.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 4000471 is about 2000.1177465339. The cubic root of 4000471 is about 158.7463355014.

Adding to 4000471 its reverse (1740004), we get a palindrome (5740475).

The spelling of 4000471 in words is "four million, four hundred seventy-one", and thus it is an aban number.