4047085 has 8 divisors (see below), whose sum is σ = 5550336. Its totient is φ = 2775120.

The previous prime is 4047079. The next prime is 4047089. The reversal of 4047085 is 5807404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4047085 - 2³ = 4047077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4047089) 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 7 ways as a sum of consecutive naturals, for example, 57781 + ... + 57850.

It is an arithmetic number, because the mean of its divisors is an integer number (693792).

Almost surely, 2^4047085 is an apocalyptic number.

It is an amenable number.

4047085 is a deficient number, since it is larger than the sum of its proper divisors (1503251).

4047085 is a wasteful number, since it uses less digits than its factorization.

4047085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115643.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 4047085 is about 2011.7368118121. The cubic root of 4047085 is about 159.3605336094.

The spelling of 4047085 in words is "four million, forty-seven thousand, eighty-five".