4081847 has 12 divisors (see below), whose sum is σ = 5180616. Its totient is φ = 3180240.

The previous prime is 4081813. The next prime is 4081849. The reversal of 4081847 is 7481804.

It is not a de Polignac number, because 4081847 - 2¹² = 4077751 is a prime.

It is a super-2 number, since 2×4081847² = 33322949862818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081849) 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 11 ways as a sum of consecutive naturals, for example, 3248 + ... + 4325.

It is an arithmetic number, because the mean of its divisors is an integer number (431718).

Almost surely, 2^4081847 is an apocalyptic number.

4081847 is a deficient number, since it is larger than the sum of its proper divisors (1098769).

4081847 is a wasteful number, since it uses less digits than its factorization.

4081847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7598 (or 7591 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 4081847 is about 2020.3581365689. The cubic root of 4081847 is about 159.8155034841.

The spelling of 4081847 in words is "four million, eighty-one thousand, eight hundred forty-seven".