4031085 has 16 divisors (see below), whose sum is σ = 6658560. Its totient is φ = 2080320.

The previous prime is 4031081. The next prime is 4031089. The reversal of 4031085 is 5801304.

It is an interprime number because it is at equal distance from previous prime (4031081) and next prime (4031089).

It is not a de Polignac number, because 4031085 - 2² = 4031081 is a prime.

It is a plaindrome in base 6.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3870 + ... + 4799.

It is an arithmetic number, because the mean of its divisors is an integer number (416160).

Almost surely, 2^4031085 is an apocalyptic number.

It is an amenable number.

4031085 is a deficient number, since it is larger than the sum of its proper divisors (2627475).

4031085 is a wasteful number, since it uses less digits than its factorization.

4031085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8708.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 4031085 is about 2007.7562103004. The cubic root of 4031085 is about 159.1502475990.

Adding to 4031085 its reverse (5801304), we get a palindrome (9832389).

It can be divided in two parts, 40 and 31085, that added together give a triangular number (31125 = T₂₄₉).

The spelling of 4031085 in words is "four million, thirty-one thousand, eighty-five".