4085769 has 8 divisors (see below), whose sum is σ = 5623552. Its totient is φ = 2635920.

The previous prime is 4085761. The next prime is 4085771. The reversal of 4085769 is 9675804.

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

It is not a de Polignac number, because 4085769 - 2³ = 4085761 is a prime.

It is a super-2 number, since 2×4085769² = 33387016642722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4085761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21874 + ... + 22059.

It is an arithmetic number, because the mean of its divisors is an integer number (702944).

Almost surely, 2^4085769 is an apocalyptic number.

It is an amenable number.

4085769 is a deficient number, since it is larger than the sum of its proper divisors (1537783).

4085769 is a wasteful number, since it uses less digits than its factorization.

4085769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43967.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 4085769 is about 2021.3285235211. The cubic root of 4085769 is about 159.8666727841.

The spelling of 4085769 in words is "four million, eighty-five thousand, seven hundred sixty-nine".