985387 has 8 divisors (see below), whose sum is σ = 1069040. Its totient is φ = 902880.

The previous prime is 985379. The next prime is 985399. The reversal of 985387 is 783589.

985387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 985387 - 2³ = 985379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2812 + ... + 3142.

It is an arithmetic number, because the mean of its divisors is an integer number (133630).

2⁹⁸⁵³⁸⁷ is an apocalyptic number.

985387 is a deficient number, since it is larger than the sum of its proper divisors (83653).

985387 is a wasteful number, since it uses less digits than its factorization.

985387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

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

The square root of 985387 is about 992.6666107007. Note that the first 4 decimals coincide. The cubic root of 985387 is about 99.5105078841.

The spelling of 985387 in words is "nine hundred eighty-five thousand, three hundred eighty-seven".