385987 has 8 divisors (see below), whose sum is σ = 448256. Its totient is φ = 325512.

The previous prime is 385967. The next prime is 385991. The reversal of 385987 is 789583.

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 385987 - 2⁷ = 385859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385907) 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, 58 + ... + 880.

It is an arithmetic number, because the mean of its divisors is an integer number (56032).

2³⁸⁵⁹⁸⁷ is an apocalyptic number.

385987 is a deficient number, since it is larger than the sum of its proper divisors (62269).

385987 is an equidigital number, since it uses as much as digits as its factorization.

385987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897.

The product of its digits is 60480, while the sum is 40.

The square root of 385987 is about 621.2785204721. The cubic root of 385987 is about 72.8099767955.

The spelling of 385987 in words is "three hundred eighty-five thousand, nine hundred eighty-seven".