4081671 has 28 divisors (see below), whose sum is σ = 6689160. Its totient is φ = 2468880.

The previous prime is 4081669. The next prime is 4081703. The reversal of 4081671 is 1761804.

It is a happy number.

It is not a de Polignac number, because 4081671 - 2¹ = 4081669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081601) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 7765 + ... + 8273.

Almost surely, 2^4081671 is an apocalyptic number.

4081671 is a deficient number, since it is larger than the sum of its proper divisors (2607489).

4081671 is an equidigital number, since it uses as much as digits as its factorization.

4081671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 4081671 is about 2020.3145794653. The cubic root of 4081671 is about 159.8132064902.

The spelling of 4081671 in words is "four million, eighty-one thousand, six hundred seventy-one".