887993 has 8 divisors (see below), whose sum is σ = 921888. Its totient is φ = 854784.

The previous prime is 887989. The next prime is 888001. The reversal of 887993 is 399788.

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 887993 - 2² = 887989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 887993.

It is not an unprimeable number, because it can be changed into a prime (887903) 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, 4505 + ... + 4697.

It is an arithmetic number, because the mean of its divisors is an integer number (115236).

2⁸⁸⁷⁹⁹³ is an apocalyptic number.

It is an amenable number.

887993 is a deficient number, since it is larger than the sum of its proper divisors (33895).

887993 is a wasteful number, since it uses less digits than its factorization.

887993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its digits is 108864, while the sum is 44.

The square root of 887993 is about 942.3338049757. Note that the first 3 decimals coincide. The cubic root of 887993 is about 96.1176581114.

The spelling of 887993 in words is "eight hundred eighty-seven thousand, nine hundred ninety-three".