887990 has 8 divisors (see below), whose sum is σ = 1598400.
Its totient is φ = 355192.
The previous prime is 887989. The next prime is 888001. The reversal of 887990 is 99788.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 44390 + ... + 44409.
It is an arithmetic number, because the mean of its divisors is an integer number (199800).
2887990 is an apocalyptic number.
887990 is a deficient number, since it is larger than the sum of its proper divisors (710410).
887990 is a wasteful number, since it uses less digits than its factorization.
887990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88806.
The product of its (nonzero) digits is 36288, while the sum is 41.
The square root of 887990 is about 942.3322131817.
The cubic root of 887990 is about 96.1175498698.
The spelling of 887990 in words is "eight hundred eighty-seven thousand, nine hundred ninety".