988187 has 8 divisors (see below), whose sum is σ = 1032192. Its totient is φ = 945000.

The previous prime is 988157. The next prime is 988199. The reversal of 988187 is 781889.

988187 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 988187 - 2¹² = 984091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (988147) 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, 3812 + ... + 4062.

It is an arithmetic number, because the mean of its divisors is an integer number (129024).

2⁹⁸⁸¹⁸⁷ is an apocalyptic number.

988187 is a deficient number, since it is larger than the sum of its proper divisors (44005).

988187 is a wasteful number, since it uses less digits than its factorization.

988187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409.

The product of its digits is 32256, while the sum is 41.

The square root of 988187 is about 994.0759528326. The cubic root of 988187 is about 99.6046725549.

The spelling of 988187 in words is "nine hundred eighty-eight thousand, one hundred eighty-seven".