1385585 has 8 divisors (see below), whose sum is σ = 1760616. Its totient is φ = 1043200.

The previous prime is 1385569. The next prime is 1385603. The reversal of 1385585 is 5855831.

It can be written as a sum of positive squares in 4 ways, for example, as 516961 + 868624 = 719^2 + 932^2 .

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

It is not a de Polignac number, because 1385585 - 2⁴ = 1385569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8066 + ... + 8235.

It is an arithmetic number, because the mean of its divisors is an integer number (220077).

2^1385585 is an apocalyptic number.

It is an amenable number.

1385585 is a deficient number, since it is larger than the sum of its proper divisors (375031).

1385585 is a wasteful number, since it uses less digits than its factorization.

1385585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16323.

The product of its digits is 24000, while the sum is 35.

The square root of 1385585 is about 1177.1087460384. The cubic root of 1385585 is about 111.4836188205.

The spelling of 1385585 in words is "one million, three hundred eighty-five thousand, five hundred eighty-five".