1385085 has 16 divisors (see below), whose sum is σ = 2386944. Its totient is φ = 681792.

The previous prime is 1385077. The next prime is 1385093. The reversal of 1385085 is 5805831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1385077) and next prime (1385093).

It is not a de Polignac number, because 1385085 - 2³ = 1385077 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3357 + ... + 3746.

It is an arithmetic number, because the mean of its divisors is an integer number (149184).

2^1385085 is an apocalyptic number.

1385085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1385085 is a deficient number, since it is larger than the sum of its proper divisors (1001859).

1385085 is a wasteful number, since it uses less digits than its factorization.

1385085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7124.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 1385085 is about 1176.8963420795. The cubic root of 1385085 is about 111.4702072733.

The spelling of 1385085 in words is "one million, three hundred eighty-five thousand, eighty-five".