1385886 has 16 divisors (see below), whose sum is σ = 2861568. Its totient is φ = 447000.

The previous prime is 1385873. The next prime is 1385887. The reversal of 1385886 is 6885831.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385887) 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, 3540 + ... + 3911.

It is an arithmetic number, because the mean of its divisors is an integer number (178848).

2^1385886 is an apocalyptic number.

1385886 is an abundant number, since it is smaller than the sum of its proper divisors (1475682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1385886 is a wasteful number, since it uses less digits than its factorization.

1385886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7487.

The product of its digits is 46080, while the sum is 39.

The square root of 1385886 is about 1177.2365947421. The cubic root of 1385886 is about 111.4916910162.

Subtracting 1385886 from its reverse (6885831), we obtain a palindrome (5499945).

The spelling of 1385886 in words is "one million, three hundred eighty-five thousand, eight hundred eighty-six".