385687 has 8 divisors (see below), whose sum is σ = 413280. Its totient is φ = 359040.

The previous prime is 385663. The next prime is 385709. The reversal of 385687 is 786583.

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

It is a cyclic number.

It is not a de Polignac number, because 385687 - 2⁷ = 385559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385607) 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, 739 + ... + 1147.

It is an arithmetic number, because the mean of its divisors is an integer number (51660).

2³⁸⁵⁶⁸⁷ is an apocalyptic number.

385687 is a deficient number, since it is larger than the sum of its proper divisors (27593).

385687 is a wasteful number, since it uses less digits than its factorization.

385687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473.

The product of its digits is 40320, while the sum is 37.

The square root of 385687 is about 621.0370359326. The cubic root of 385687 is about 72.7911085828.

The spelling of 385687 in words is "three hundred eighty-five thousand, six hundred eighty-seven".