4086845 has 16 divisors (see below), whose sum is σ = 5721600. Its totient is φ = 2801232.

The previous prime is 4086833. The next prime is 4086853. The reversal of 4086845 is 5486804.

It is not a de Polignac number, because 4086845 - 2⁴ = 4086829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524 + ... + 2906.

It is an arithmetic number, because the mean of its divisors is an integer number (357600).

Almost surely, 2^4086845 is an apocalyptic number.

It is an amenable number.

4086845 is a deficient number, since it is larger than the sum of its proper divisors (1634755).

4086845 is an equidigital number, since it uses as much as digits as its factorization.

4086845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409 (or 2395 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 4086845 is about 2021.5946675830. The cubic root of 4086845 is about 159.8807053479.

The spelling of 4086845 in words is "four million, eighty-six thousand, eight hundred forty-five".