4140085 has 8 divisors (see below), whose sum is σ = 5016960. Its totient is φ = 3279504.

The previous prime is 4140079. The next prime is 4140107. The reversal of 4140085 is 5800414.

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 4140085 - 2³ = 4140077 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3505 + ... + 4534.

It is an arithmetic number, because the mean of its divisors is an integer number (627120).

Almost surely, 2^4140085 is an apocalyptic number.

It is an amenable number.

4140085 is a deficient number, since it is larger than the sum of its proper divisors (876875).

4140085 is a wasteful number, since it uses less digits than its factorization.

4140085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8147.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4140085 is about 2034.7198824408. The cubic root of 4140085 is about 160.5719762706.

Adding to 4140085 its reverse (5800414), we get a palindrome (9940499).

The spelling of 4140085 in words is "four million, one hundred forty thousand, eighty-five".