4085775 has 24 divisors (see below), whose sum is σ = 7506960. Its totient is φ = 2178720.

The previous prime is 4085771. The next prime is 4085777. The reversal of 4085775 is 5775804.

It is not a de Polignac number, because 4085775 - 2² = 4085771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2352 + ... + 3701.

It is an arithmetic number, because the mean of its divisors is an integer number (312790).

Almost surely, 2^4085775 is an apocalyptic number.

4085775 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4085775 is a deficient number, since it is larger than the sum of its proper divisors (3421185).

4085775 is a wasteful number, since it uses less digits than its factorization.

4085775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6072 (or 6061 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 4085775 is about 2021.3300076930. The cubic root of 4085775 is about 159.8667510394.

The spelling of 4085775 in words is "four million, eighty-five thousand, seven hundred seventy-five".