1385686 has 8 divisors (see below), whose sum is σ = 2107224. Its totient is φ = 683280.

The previous prime is 1385647. The next prime is 1385693. The reversal of 1385686 is 6865831.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4600 + ... + 4891.

It is an arithmetic number, because the mean of its divisors is an integer number (263403).

2^1385686 is an apocalyptic number.

1385686 is a deficient number, since it is larger than the sum of its proper divisors (721538).

1385686 is an equidigital number, since it uses as much as digits as its factorization.

1385686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9566.

The product of its digits is 34560, while the sum is 37.

The square root of 1385686 is about 1177.1516469852. The cubic root of 1385686 is about 111.4863275613.

The spelling of 1385686 in words is "one million, three hundred eighty-five thousand, six hundred eighty-six".