4485865 has 8 divisors (see below), whose sum is σ = 5568840. Its totient is φ = 3464832.

The previous prime is 4485853. The next prime is 4485869. The reversal of 4485865 is 5685844.

It can be written as a sum of positive squares in 4 ways, for example, as 59049 + 4426816 = 243^2 + 2104^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4485865 - 2⁷ = 4485737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4485869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15324 + ... + 15613.

It is an arithmetic number, because the mean of its divisors is an integer number (696105).

Almost surely, 2^4485865 is an apocalyptic number.

It is an amenable number.

4485865 is a deficient number, since it is larger than the sum of its proper divisors (1082975).

4485865 is a wasteful number, since it uses less digits than its factorization.

4485865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30971.

The product of its digits is 153600, while the sum is 40.

The square root of 4485865 is about 2117.9860717200. The cubic root of 4485865 is about 164.9233191291.

The spelling of 4485865 in words is "four million, four hundred eighty-five thousand, eight hundred sixty-five".