987318 has 12 divisors (see below), whose sum is σ = 2139228. Its totient is φ = 329100.

The previous prime is 987313. The next prime is 987353. The reversal of 987318 is 813789.

987318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27408 + ... + 27443.

It is an arithmetic number, because the mean of its divisors is an integer number (178269).

2⁹⁸⁷³¹⁸ is an apocalyptic number.

987318 is an abundant number, since it is smaller than the sum of its proper divisors (1151910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

987318 is a wasteful number, since it uses less digits than its factorization.

987318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54859 (or 54856 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 987318 is about 993.6387673596. The cubic root of 987318 is about 99.5754669339.

The spelling of 987318 in words is "nine hundred eighty-seven thousand, three hundred eighteen".