1385005 has 16 divisors (see below), whose sum is σ = 1785600. Its totient is φ = 1028160.

The previous prime is 1385003. The next prime is 1385009. The reversal of 1385005 is 5005831.

It is not a de Polignac number, because 1385005 - 2¹ = 1385003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5676 + ... + 5914.

It is an arithmetic number, because the mean of its divisors is an integer number (111600).

2^1385005 is an apocalyptic number.

It is an amenable number.

1385005 is a deficient number, since it is larger than the sum of its proper divisors (400595).

1385005 is a wasteful number, since it uses less digits than its factorization.

1385005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1385005 is about 1176.8623538885. The cubic root of 1385005 is about 111.4680611263.

The spelling of 1385005 in words is "one million, three hundred eighty-five thousand, five".