4085029 has 4 divisors (see below), whose sum is σ = 4399276. Its totient is φ = 3770784.

The previous prime is 4084999. The next prime is 4085033. The reversal of 4085029 is 9205804.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1102500 + 2982529 = 1050^2 + 1727^2 .

It is a cyclic number.

It is not a de Polignac number, because 4085029 - 2⁹ = 4084517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4084988 and 4085006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157104 + ... + 157129.

It is an arithmetic number, because the mean of its divisors is an integer number (1099819).

Almost surely, 2^4085029 is an apocalyptic number.

It is an amenable number.

4085029 is a deficient number, since it is larger than the sum of its proper divisors (314247).

4085029 is a wasteful number, since it uses less digits than its factorization.

4085029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314246.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 4085029 is about 2021.1454673031. The cubic root of 4085029 is about 159.8570207063.

The spelling of 4085029 in words is "four million, eighty-five thousand, twenty-nine".